diff --git a/tests/msc_vlr/Makefile.am b/tests/msc_vlr/Makefile.am
new file mode 100644
index 0000000..ebbfb5c
--- /dev/null
+++ b/tests/msc_vlr/Makefile.am
@@ -0,0 +1,154 @@
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	$(NULL)
+
+AM_CFLAGS = \
+	-Wall \
+	-ggdb3 \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) \
+	$(LIBSMPP34_CFLAGS) \
+	$(LIBCRYPTO_CFLAGS) \
+	$(LIBOSMOVTY_CFLAGS) \
+	$(LIBOSMOABIS_CFLAGS) \
+	$(NULL)
+
+noinst_HEADERS = \
+	msc_vlr_tests.h \
+	$(NULL)
+
+EXTRA_DIST = \
+	msc_vlr_test_no_authen.ok \
+	msc_vlr_test_no_authen.err \
+	msc_vlr_test_gsm_authen.ok \
+	msc_vlr_test_gsm_authen.err \
+	msc_vlr_test_gsm_ciph.ok \
+	msc_vlr_test_gsm_ciph.err \
+	msc_vlr_test_umts_authen.ok \
+	msc_vlr_test_umts_authen.err \
+	msc_vlr_test_hlr_reject.ok \
+	msc_vlr_test_hlr_reject.err \
+	msc_vlr_test_hlr_timeout.ok \
+	msc_vlr_test_hlr_timeout.err \
+	msc_vlr_test_ms_timeout.ok \
+	msc_vlr_test_ms_timeout.err \
+	msc_vlr_test_reject_concurrency.ok \
+	msc_vlr_test_reject_concurrency.err \
+	msc_vlr_test_rest.ok \
+	msc_vlr_test_rest.err \
+	$(NULL)
+
+COMMON_LDADD = \
+	$(top_builddir)/src/libcommon-cs/libcommon-cs.a \
+	$(top_builddir)/src/libmsc/libmsc.a \
+	$(top_builddir)/src/libvlr/libvlr.a \
+	$(top_builddir)/src/libbsc/libbsc.a \
+	$(top_builddir)/src/libtrau/libtrau.a \
+	$(top_builddir)/src/libcommon/libcommon.a \
+	$(LIBSMPP34_LIBS) \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	$(LIBCRYPTO_LIBS) \
+	$(LIBOSMOVTY_LIBS) \
+	$(LIBOSMOABIS_LIBS) \
+	-ldbi \
+	-lrt \
+	$(NULL)
+
+COMMON_LDFLAGS = \
+	-Wl,--wrap=gsup_client_create \
+	-Wl,--wrap=gsup_client_send \
+	-Wl,--wrap=gsm0808_submit_dtap \
+	-Wl,--wrap=paging_request \
+	-Wl,--wrap=paging_request_stop \
+	-Wl,--wrap=gsm340_gen_scts \
+	-Wl,--wrap=RAND_bytes \
+	$(NULL)
+
+noinst_PROGRAMS = \
+	msc_vlr_test_no_authen \
+	msc_vlr_test_gsm_authen \
+	msc_vlr_test_gsm_ciph \
+	msc_vlr_test_umts_authen \
+	msc_vlr_test_hlr_reject \
+	msc_vlr_test_hlr_timeout \
+	msc_vlr_test_ms_timeout \
+	msc_vlr_test_reject_concurrency \
+	msc_vlr_test_rest \
+	$(NULL)
+
+msc_vlr_test_no_authen_SOURCES = \
+	msc_vlr_test_no_authen.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_no_authen_LDADD = $(COMMON_LDADD)
+msc_vlr_test_no_authen_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_gsm_authen_SOURCES = \
+	msc_vlr_test_gsm_authen.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_gsm_authen_LDADD = $(COMMON_LDADD)
+msc_vlr_test_gsm_authen_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_gsm_ciph_SOURCES = \
+	msc_vlr_test_gsm_ciph.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_gsm_ciph_LDADD = $(COMMON_LDADD)
+msc_vlr_test_gsm_ciph_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_umts_authen_SOURCES = \
+	msc_vlr_test_umts_authen.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_umts_authen_LDADD = $(COMMON_LDADD)
+msc_vlr_test_umts_authen_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_hlr_reject_SOURCES = \
+	msc_vlr_test_hlr_reject.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_hlr_reject_LDADD = $(COMMON_LDADD)
+msc_vlr_test_hlr_reject_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_hlr_timeout_SOURCES = \
+	msc_vlr_test_hlr_timeout.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_hlr_timeout_LDADD = $(COMMON_LDADD)
+msc_vlr_test_hlr_timeout_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_ms_timeout_SOURCES = \
+	msc_vlr_test_ms_timeout.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_ms_timeout_LDADD = $(COMMON_LDADD)
+msc_vlr_test_ms_timeout_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_reject_concurrency_SOURCES = \
+	msc_vlr_test_reject_concurrency.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_reject_concurrency_LDADD = $(COMMON_LDADD)
+msc_vlr_test_reject_concurrency_LDFLAGS = $(COMMON_LDFLAGS)
+
+msc_vlr_test_rest_SOURCES = \
+	msc_vlr_test_rest.c \
+	msc_vlr_tests.c \
+	$(NULL)
+msc_vlr_test_rest_LDADD = $(COMMON_LDADD)
+msc_vlr_test_rest_LDFLAGS = $(COMMON_LDFLAGS)
+
+.PHONY: update_exp
+update_exp:
+	$(builddir)/msc_vlr_test_no_authen >$(srcdir)/msc_vlr_test_no_authen.ok 2>$(srcdir)/msc_vlr_test_no_authen.err
+	$(builddir)/msc_vlr_test_gsm_authen >$(srcdir)/msc_vlr_test_gsm_authen.ok 2>$(srcdir)/msc_vlr_test_gsm_authen.err
+	$(builddir)/msc_vlr_test_gsm_ciph >$(srcdir)/msc_vlr_test_gsm_ciph.ok 2>$(srcdir)/msc_vlr_test_gsm_ciph.err
+	$(builddir)/msc_vlr_test_umts_authen >$(srcdir)/msc_vlr_test_umts_authen.ok 2>$(srcdir)/msc_vlr_test_umts_authen.err
+	$(builddir)/msc_vlr_test_hlr_reject >$(srcdir)/msc_vlr_test_hlr_reject.ok 2>$(srcdir)/msc_vlr_test_hlr_reject.err
+	$(builddir)/msc_vlr_test_hlr_timeout >$(srcdir)/msc_vlr_test_hlr_timeout.ok 2>$(srcdir)/msc_vlr_test_hlr_timeout.err
+	$(builddir)/msc_vlr_test_ms_timeout >$(srcdir)/msc_vlr_test_ms_timeout.ok 2>$(srcdir)/msc_vlr_test_ms_timeout.err
+	$(builddir)/msc_vlr_test_reject_concurrency >$(srcdir)/msc_vlr_test_reject_concurrency.ok 2>$(srcdir)/msc_vlr_test_reject_concurrency.err
+	$(builddir)/msc_vlr_test_rest >$(srcdir)/msc_vlr_test_rest.ok 2>$(srcdir)/msc_vlr_test_rest.err
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_authen.c b/tests/msc_vlr/msc_vlr_test_gsm_authen.c
new file mode 100644
index 0000000..22e549b
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_authen.c
@@ -0,0 +1,888 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_gsm_authen()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject");
+	gsup_rx("06010809710000004026f0", NULL);
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
+	auth_request_sent = false;
+	auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b";
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
+	gsup_expect_tx(NULL);
+	ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42";
+	ms_sends_msg("06270703305882089910070000006402");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */);
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_gsm_authen_tmsi()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.assign_tmsi = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject");
+	gsup_rx("06010809710000004026f0", NULL);
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the new TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("after a while, a new conn sends a CM Service Request using above TMSI. VLR responds with Auth Req, 2nd auth vector");
+	auth_request_sent = false;
+	auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b";
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886" "05f4" "03020100");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
+	gsup_expect_tx(NULL);
+	ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_tmsi(0x03020100);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response using TMSI, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42";
+	ms_sends_msg("06270703305882" "05f4" "03020100");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */);
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	/* TODO: when the subscriber detaches, the vlr_subscr gets
+	 * deallocated and we no longer know the TMSI. This case is covered by
+	 * test_lu_unknown_tmsi(), so here I'd like to still have the TMSI.
+	BTW("subscriber detaches, using TMSI");
+	ms_sends_msg("050130" "05f4" "03020100");
+	EXPECT_CONN_COUNT(0);
+	 */
+
+	BTW("subscriber sends LU Request, this time with the TMSI");
+	btw("Location Update request causes an Auth Req to MS");
+	lu_result_sent = RES_NONE;
+	auth_request_sent = false;
+	auth_request_expect_rand = "fa8f20b781b5881329d4fea26b1a3c51";
+	ms_sends_msg("050802008168000130" "05f4" "03020100");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05545afc8d72");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x07060504);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x07060504, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("subscriber has the new TMSI");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x07060504);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x07060504, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches, using new TMSI");
+	ms_sends_msg("050130" "05f4" "07060504");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_gsm_authen_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject");
+	gsup_rx("06010809710000004026f0", NULL);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_gsm_authen_tmsi_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.assign_tmsi = true;
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject");
+	gsup_rx("06010809710000004026f0", NULL);
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI and TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches, using TMSI");
+	ms_sends_msg("050130" "05f4" "03020100");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_gsm_milenage_authen()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000010650";
+
+	comment_start();
+
+	net->authentication_required = true;
+	rx_from_ran = RAN_GERAN_A;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("080108" "09710000000156f0");
+	ms_sends_msg("0508" /* MM LU */
+		     "7" /* ciph key seq: no key available */
+		     "0" /* LU type: normal */
+		     "ffffff" "0000" /* LAI, LAC */
+		     "30" /* classmark 1: GSM phase 2 */
+		     "089910070000106005" /* IMSI */
+		     );
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* based on auc_3g:
+	 * K = 'EB215756028D60E3275E613320AEC880',
+	 * OPC = 'FB2A3D1B360F599ABAB99DB8669F8308'
+	 * SQN = 0
+	 */
+	auth_request_sent = false;
+	auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000000156f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0362"  "2010" "39fa2f4e3d523d8619a73b4f65c3e14d"
+		/*       TL     sres       TL     kc */
+			"2104" "9b36efdf" "2208" "059a4f668f6fbe39"
+		/*       TL     3G IK */
+			"2310" "27497388b6cb044648f396aa155b95ef"
+		/*       TL     3G CK */
+			"2410" "f64735036e5871319c679f4742a75ea1"
+		/*       TL     AUTN */
+			"2510" "8704f5ba55f30000d2ee44b22c8ea919"
+		/*       TL     RES */
+			"2708" "e229c19e791f2e41"
+		"0362"  "2010" "c187a53a5e6b9d573cac7c74451fd46d"
+			"2104" "85aa3130" "2208" "d3d50a000bf04f6e"
+			"2310" "1159ec926a50e98c034a6b7d7c9f418d"
+			"2410" "df3a03d9ca5335641efc8e36d76cd20b"
+			"2510" "1843a645b98d00005b2d666af46c45d9"
+			"2708" "7db47cf7f81e4dc7"
+		"0362"  "2010" "efa9c29a9742148d5c9070348716e1bb"
+			"2104" "69d5f9fb" "2208" "3df176f0c29f1a3d"
+			"2310" "eb50e770ddcc3060101d2f43b6c2b884"
+			"2410" "76542abce5ff9345b0e8947f4c6e019c"
+			"2510" "f9375e6d41e1000096e7fe4ff1c27e39"
+			"2708" "706f996719ba609c"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000000156f0");
+	ms_sends_msg("0554" "9b36efdf");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000000156f00804032443f2",
+		"12010809710000000156f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000000156f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
+	auth_request_sent = false;
+	auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
+	auth_request_expect_autn = NULL;
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("052478"
+		     "03305886" /* classmark 2: GSM phase 2 */
+		     "089910070000106005" /* IMSI */);
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
+	gsup_expect_tx(NULL);
+	ms_sends_msg("0554" "85aa3130"); /* 2nd vector's sres, s.a. */
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 42342\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "efa9c29a9742148d5c9070348716e1bb";
+	auth_request_expect_autn = NULL;
+	ms_sends_msg("062707"
+		     "03305886" /* classmark 2 */
+		     "089910070000106005" /* IMSI */);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05802443f2" /* originating address 42342 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0554" "69d5f9fb"); /* 3nd vector's sres, s.a. */
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130"
+		     "089910070000106005" /* IMSI */);
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_gsm_authen,
+	test_gsm_authen_tmsi,
+	test_gsm_authen_imei,
+	test_gsm_authen_tmsi_imei,
+	test_gsm_milenage_authen,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_authen.err b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
new file mode 100644
index 0000000..8f93435
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
@@ -0,0 +1,1923 @@
+===== test_gsm_authen
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Event VLR_ULA_E_HLR_LU_RES not permitted
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=1 auth_types=0x1 and...
+- ...rand=12aca96fb4ffdea5c985cbafa9b6e18b
+- ...expecting sres=20bde240
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts with a CM Service Accept
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 20bde240)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 20 bd e2 40 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=2 auth_types=0x1 and...
+- ...rand=e7c03ba7cf0e2fde82b2dc4d63077d42
+- ...expecting sres=a29514ae
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = a29514ae)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: a2 95 14 ae 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_gsm_authen: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_gsm_authen_tmsi
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Event VLR_ULA_E_HLR_LU_RES not permitted
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x03020100
+  vsub->tmsi == 0xffffffff
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the new TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0xffffffff
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- after a while, a new conn sends a CM Service Request using above TMSI. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=1 auth_types=0x1 and...
+- ...rand=12aca96fb4ffdea5c985cbafa9b6e18b
+- ...expecting sres=20bde240
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts with a CM Service Accept
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 20bde240)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 20 bd e2 40 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  paging_expecting_tmsi == 0x03020100
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response using TMSI, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=2 auth_types=0x1 and...
+- ...rand=e7c03ba7cf0e2fde82b2dc4d63077d42
+- ...expecting sres=a29514ae
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = a29514ae)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: a2 95 14 ae 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber sends LU Request, this time with the TMSI
+- Location Update request causes an Auth Req to MS
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(TMSI)=50462976 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: is child of Subscr_Conn(50462976)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=3
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=3 auth_types=0x1 and...
+- ...rand=fa8f20b781b5881329d4fea26b1a3c51
+- ...expecting sres=5afc8d72
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 5afc8d72)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 5a fc 8d 72 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(50462976)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(50462976)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(50462976)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(50462976)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(50462976)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x07060504
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x07060504
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(50462976)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- subscriber has the new TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0xffffffff
+  vsub->tmsi == 0x07060504
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches, using new TMSI
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(TMSI)=117835012
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_gsm_authen_tmsi: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_gsm_authen_imei
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Event VLR_ULA_E_HLR_LU_RES not permitted
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_gsm_authen_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_gsm_authen_tmsi_imei
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- If the HLR were to send a GSUP _UPDATE_LOCATION_RESULT we'd still reject
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Event VLR_ULA_E_HLR_LU_RES not permitted
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI_TMSI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF MSISDN:46071: MSC conn use - 1 == 1
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x03020100
+  vsub->tmsi == 0xffffffff
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI and TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches, using TMSI
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(TMSI)=50462976
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_gsm_authen_tmsi_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_gsm_milenage_authen
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000010650 type=NORMAL
+DMM LU/new-LAC: 0/0
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 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
+DVLR GSUP rx 311: 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
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 3 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=39fa2f4e3d523d8619a73b4f65c3e14d
+- ...expecting sres=9b36efdf
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM GSM AUTHENTICATION RESPONSE (sres = 9b36efdf)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000010650) received res: 9b 36 ef df 
+DVLR SUBSCR(IMSI:901700000010650) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f0
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804032443f2
+DVLR GSUP rx 17: 10010809710000000156f00804032443f2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR IMSI:901700000010650 has MSISDN:42342
+DVLR GSUP tx: 12010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f0
+DVLR GSUP rx 11: 06010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:42342: tuple use_count=1 key_seq=1 auth_types=0x3 and...
+- ...rand=c187a53a5e6b9d573cac7c74451fd46d
+- ...expecting sres=85aa3130
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts with a CM Service Accept
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM GSM AUTHENTICATION RESPONSE (sres = 85aa3130)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 85 aa 31 30 
+DVLR SUBSCR(MSISDN:42342) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:42342
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 42342
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:42342 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:42342: MSISDN = 42342
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d273104d36a3c91a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DMM Subscriber MSISDN:42342 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000010650 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+- MS replies with Paging Response, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending GSM Auth Request for MSISDN:42342: tuple use_count=1 key_seq=2 auth_types=0x3 and...
+- ...rand=efa9c29a9742148d5c9070348716e1bb
+- ...expecting sres=69d5f9fb
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM GSM AUTHENTICATION RESPONSE (sres = 69d5f9fb)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 69 d5 f9 fb 
+DVLR SUBSCR(MSISDN:42342) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DREF MSISDN:42342: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DREF MSISDN:42342: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000010650
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DMM IMSI DETACH for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:42342
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_gsm_milenage_authen: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_authen.ok b/tests/msc_vlr/msc_vlr_test_gsm_authen.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_authen.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.c b/tests/msc_vlr/msc_vlr_test_gsm_ciph.c
new file mode 100644
index 0000000..1ebf9c6
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.c
@@ -0,0 +1,818 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_ciph()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	/* implicit: net->authentication_required = true; */
+	net->a5_encryption = VLR_CIPH_A5_1;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("05542d8b2c3e");
+	OSMO_ASSERT(cipher_mode_cmd_sent);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
+	cm_service_result_sent = RES_NONE;
+	auth_request_sent = false;
+	auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b";
+	ms_sends_msg("05247803305886089910070000006402");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and requests Ciphering");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42";
+	ms_sends_msg("06270703305882089910070000006402");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and requests Ciphering");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_ciph_tmsi()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	/* implicit: net->authentication_required = true; */
+	net->a5_encryption = VLR_CIPH_A5_1;
+	net->vlr->cfg.assign_tmsi = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("05542d8b2c3e");
+	OSMO_ASSERT(cipher_mode_cmd_sent);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the new TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("after a while, a new conn sends a CM Service Request using above TMSI. VLR responds with Auth Req, 2nd auth vector");
+	cm_service_result_sent = RES_NONE;
+	auth_request_sent = false;
+	auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b";
+	auth_request_expect_autn = NULL;
+	ms_sends_msg("05247803305886" "05f4" "03020100");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and requests Ciphering");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("0554" "20bde240" /* 2nd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_tmsi(0x03020100);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response using TMSI, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "e7c03ba7cf0e2fde82b2dc4d63077d42";
+	ms_sends_msg("06270703305882" "05f4" "03020100");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and requests Ciphering");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("0554" "a29514ae" /* 3rd vector's sres, s.a. */);
+	VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches, using TMSI");
+	ms_sends_msg("050130" "05f4" "03020100");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_ciph_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	/* implicit: net->authentication_required = true; */
+	net->a5_encryption = VLR_CIPH_A5_1;
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("05542d8b2c3e");
+	OSMO_ASSERT(cipher_mode_cmd_sent);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_ciph_imeisv()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	/* implicit: net->authentication_required = true; */
+	net->a5_encryption = VLR_CIPH_A5_1;
+	net->vlr->cfg.retrieve_imeisv = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(cipher_mode_cmd_sent, == true, "%d");
+	VERBOSE_ASSERT(cipher_mode_cmd_sent_with_imeisv, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imeisv[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends Ciphering Mode Complete with IMEISV, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("063217094b32244332244332f5");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("Subscriber has the IMEISV");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imeisv, "4234234234234235"), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_ciph_tmsi_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	/* implicit: net->authentication_required = true; */
+	net->a5_encryption = VLR_CIPH_A5_1;
+	net->vlr->cfg.assign_tmsi = true;
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS");
+	cipher_mode_cmd_sent = false;
+	ms_sends_msg("05542d8b2c3e");
+	OSMO_ASSERT(cipher_mode_cmd_sent);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("needs ciph, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0632");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI and TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches, using TMSI");
+	ms_sends_msg("050130" "05f4" "03020100");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_lu_unknown_tmsi()
+{
+	comment_start();
+
+	btw("Location Update request with unknown TMSI sends ID Request for IMSI");
+	lu_result_sent = RES_NONE;
+	dtap_expect_tx("051801");
+	ms_sends_msg("050802008168000130" "05f4" "23422342");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS tells us the IMSI, causes a GSUP LU request to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0559089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_ciph,
+	test_ciph_tmsi,
+	test_ciph_imei,
+	test_ciph_imeisv,
+	test_ciph_tmsi_imei,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
new file mode 100644
index 0000000..4543ace
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
@@ -0,0 +1,1632 @@
+===== test_ciph
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+  auth_request_sent == 1
+- MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+- sending Ciphering Mode Command for IMSI:901700000004620: cipher=VLR_CIPH_A5_1 kc=61855fb81fc2a800 retrieve_imeisv=0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR IMSI:901700000004620: CIPHERING MODE COMPLETE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: Received Event VLR_ULA_E_CIPH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth+Ciph
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=1 auth_types=0x1 and...
+- ...rand=12aca96fb4ffdea5c985cbafa9b6e18b
+- ...expecting sres=20bde240
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+  cm_service_result_sent == 0
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and requests Ciphering
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 20bde240)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 20 bd e2 40 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+- sending Ciphering Mode Command for MSISDN:46071: cipher=VLR_CIPH_A5_1 kc=07fa7502e07e1c00 retrieve_imeisv=0
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_WAIT_CIPH
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  cipher_mode_cmd_sent == 1
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR MSISDN:46071: CIPHERING MODE COMPLETE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: Received Event PR_ARQ_E_CIPH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+  cm_service_result_sent == 0
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth+Ciph
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=2 auth_types=0x1 and...
+- ...rand=e7c03ba7cf0e2fde82b2dc4d63077d42
+- ...expecting sres=a29514ae
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and requests Ciphering
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = a29514ae)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: a2 95 14 ae 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+- sending Ciphering Mode Command for MSISDN:46071: cipher=VLR_CIPH_A5_1 kc=e2b234f807886400 retrieve_imeisv=0
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_WAIT_CIPH
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cipher_mode_cmd_sent == 1
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Ciphering Mode Complete, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR MSISDN:46071: CIPHERING MODE COMPLETE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: Received Event PR_ARQ_E_CIPH_RES
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_CIPH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DREF MSISDN:46071: MSC conn use + 1 == 2
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_ciph: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_ciph_tmsi
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+- sending Ciphering Mode Command for IMSI:901700000004620: cipher=VLR_CIPH_A5_1 kc=61855fb81fc2a800 retrieve_imeisv=0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  auth_request_sent == 1
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR IMSI:901700000004620: CIPHERING MODE COMPLETE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: Received Event VLR_ULA_E_CIPH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x03020100
+  vsub->tmsi == 0xffffffff
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the new TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0xffffffff
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- after a while, a new conn sends a CM Service Request using above TMSI. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth+Ciph
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=1 auth_types=0x1 and...
+- ...rand=12aca96fb4ffdea5c985cbafa9b6e18b
+- ...expecting sres=20bde240
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+  cm_service_result_sent == 0
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and requests Ciphering
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 20bde240)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 20 bd e2 40 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+- sending Ciphering Mode Command for MSISDN:46071: cipher=VLR_CIPH_A5_1 kc=07fa7502e07e1c00 retrieve_imeisv=0
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_WAIT_CIPH
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  cipher_mode_cmd_sent == 1
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Ciphering Mode Complete, VLR accepts; above Ciphering is an implicit CM Service Accept
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR MSISDN:46071: CIPHERING MODE COMPLETE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: Received Event PR_ARQ_E_CIPH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+  cm_service_result_sent == 0
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  paging_expecting_tmsi == 0x03020100
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response using TMSI, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth+Ciph
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=2 auth_types=0x1 and...
+- ...rand=e7c03ba7cf0e2fde82b2dc4d63077d42
+- ...expecting sres=a29514ae
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and requests Ciphering
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = a29514ae)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: a2 95 14 ae 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(50462976)
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(50462976){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+- sending Ciphering Mode Command for MSISDN:46071: cipher=VLR_CIPH_A5_1 kc=e2b234f807886400 retrieve_imeisv=0
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_WAIT_CIPH
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cipher_mode_cmd_sent == 1
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Ciphering Mode Complete, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR MSISDN:46071: CIPHERING MODE COMPLETE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: Received Event PR_ARQ_E_CIPH_RES
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_WAIT_CIPH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DREF MSISDN:46071: MSC conn use + 1 == 2
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches, using TMSI
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(TMSI)=50462976
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_ciph_tmsi: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_ciph_imei
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+- sending Ciphering Mode Command for IMSI:901700000004620: cipher=VLR_CIPH_A5_1 kc=61855fb81fc2a800 retrieve_imeisv=0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR IMSI:901700000004620: CIPHERING MODE COMPLETE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: Received Event VLR_ULA_E_CIPH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_ciph_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_ciph_imeisv
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+- sending Ciphering Mode Command for IMSI:901700000004620: cipher=VLR_CIPH_A5_1 kc=61855fb81fc2a800 retrieve_imeisv=1
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  cipher_mode_cmd_sent == 1
+  cipher_mode_cmd_sent_with_imeisv == 1
+  lu_result_sent == 0
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+  vsub->imeisv[0] == 0
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+- MS sends Ciphering Mode Complete with IMEISV, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR IMSI:901700000004620: CIPHERING MODE COMPLETE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: Received Event VLR_ULA_E_CIPH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: got IMEISV: 4234234234234235F
+DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=4234234234234235
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+  lu_result_sent == 0
+- Subscriber has the IMEISV
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+  strcmp(vsub->imeisv, "4234234234234235") == 0
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_ID_IMEI
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Event VLR_ULA_E_ID_IMEI not permitted
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_ciph_imeisv: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_ciph_tmsi_imei
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends Ciphering Mode Command to MS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+- sending Ciphering Mode Command for IMSI:901700000004620: cipher=VLR_CIPH_A5_1 kc=61855fb81fc2a800 retrieve_imeisv=0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_CIPH
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- needs ciph, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr IMSI:901700000004620: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- MS sends Ciphering Mode Complete, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x06 msg_type=0x32
+DRR IMSI:901700000004620: CIPHERING MODE COMPLETE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: Received Event VLR_ULA_E_CIPH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_CIPH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI_TMSI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF MSISDN:46071: MSC conn use - 1 == 1
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x03020100
+  vsub->tmsi == 0xffffffff
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI and TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches, using TMSI
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(TMSI)=50462976
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_ciph_tmsi_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.ok b/tests/msc_vlr/msc_vlr_test_gsm_ciph.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.c b/tests/msc_vlr/msc_vlr_test_hlr_reject.c
new file mode 100644
index 0000000..c4cf353
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.c
@@ -0,0 +1,425 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_hlr_rej_auth_info_unknown_imsi()
+{
+	comment_start();
+
+	net->authentication_required = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _SEND_AUTH_INFO_ERROR = unknown IMSI");
+	auth_request_sent = false;
+	gsup_rx("09" "010809710000004026f0" "020102", NULL);
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_rej_auth_info_net_fail()
+{
+	comment_start();
+
+	net->authentication_required = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _SEND_AUTH_INFO_ERROR = net fail");
+	auth_request_sent = false;
+	gsup_rx("09" "010809710000004026f0" "020111", NULL);
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_rej_auth_info_net_fail_no_reuse_tuples()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.auth_reuse_old_sets_on_error = false;
+	net->vlr->cfg.auth_tuple_max_use_count = 0;
+
+	BTW("Submit a used auth tuple in the VLR");
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+
+	BTW("Now one auth tuple is available, but used.");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	OSMO_ASSERT(vsub->last_tuple);
+	VERBOSE_ASSERT(vsub->last_tuple->use_count, == 1, "%d");
+	/* no need to look at all auth tuples, the ongoing test would take an
+	 * unexpected course if there were more. */
+	vlr_subscr_put(vsub);
+
+	BTW("Another LU wants to get new tuples; HLR sends Network Failure, we reject.");
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _SEND_AUTH_INFO_ERROR = net fail");
+	auth_request_sent = false;
+	gsup_rx("09" "010809710000004026f0" "020111", NULL);
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.auth_reuse_old_sets_on_error = true;
+	net->vlr->cfg.auth_tuple_max_use_count = 0;
+
+	BTW("Submit a used auth tuple in the VLR");
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+
+	BTW("Now one auth tuple is available, but used.");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	OSMO_ASSERT(vsub->last_tuple);
+	VERBOSE_ASSERT(vsub->last_tuple->use_count, == 1, "%d");
+	/* no need to look at all auth tuples, the ongoing test would take an
+	 * unexpected course if there were more. */
+	vlr_subscr_put(vsub);
+
+	BTW("Another LU wants to get new tuples; HLR sends IMSI Unknown. Even though we would re-use an old tuple, reject the unknown IMSI.");
+	VERBOSE_ASSERT(net->vlr->cfg.auth_reuse_old_sets_on_error, == true, "%d");
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _SEND_AUTH_INFO_ERROR = unknown IMSI");
+	auth_request_sent = false;
+	gsup_rx("09" "010809710000004026f0" "020102", NULL);
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_acc_but_no_auth_tuples()
+{
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.auth_reuse_old_sets_on_error = true;
+	net->vlr->cfg.auth_tuple_max_use_count = 0;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT but it lacks auth tuples");
+	auth_request_sent = false;
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* NO auth vectors */
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_rej_auth_info_net_fail_reuse_tuples()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->authentication_required = true;
+	net->vlr->cfg.auth_reuse_old_sets_on_error = true;
+	net->vlr->cfg.auth_tuple_max_use_count = 0;
+
+	BTW("Submit a used auth tuple in the VLR");
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+
+	BTW("Now one auth tuple is available, but used.");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	OSMO_ASSERT(vsub->last_tuple);
+	VERBOSE_ASSERT(vsub->last_tuple->use_count, == 1, "%d");
+	/* no need to look at all auth tuples, the ongoing test would take an
+	 * unexpected course if there were more. */
+	vlr_subscr_put(vsub);
+
+	BTW("Another LU wants to get new tuples; even though HLR sends Network Failure, we are reusing the old tuples.");
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _SEND_AUTH_INFO_ERROR = net fail");
+	auth_request_sent = false;
+	gsup_rx("09" "010809710000004026f0" "020111", NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_rej_lu()
+{
+	comment_start();
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends UPDATE_LOCATION_ERROR");
+	gsup_rx("05" "010809710000004026f0" "020102",
+		NULL);
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_no_insert_data()
+{
+	comment_start();
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends only _UPDATE_LOCATION_RESULT, no INSERT DATA");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	/* TODO should we wait for OSMO_GSUP_MSGT_INSERT_DATA_REQUEST? */
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_hlr_rej_auth_info_unknown_imsi,
+	test_hlr_rej_auth_info_net_fail,
+	test_hlr_rej_auth_info_net_fail_reuse_tuples,
+	test_hlr_rej_auth_info_net_fail_no_reuse_tuples,
+	test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples,
+	test_hlr_acc_but_no_auth_tuples,
+	test_hlr_rej_lu,
+	test_hlr_no_insert_data,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.err b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
new file mode 100644
index 0000000..b72ceff
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
@@ -0,0 +1,1128 @@
+===== test_hlr_rej_auth_info_unknown_imsi
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _SEND_AUTH_INFO_ERROR = unknown IMSI
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: 09010809710000004026f0020102
+DVLR GSUP rx 14: 09010809710000004026f0020102
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 2: IMSI unknown in HLR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result VLR_AUTH_RES_UNKNOWN_SUBSCR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+- sending LU Reject for IMSI:901700000004620, cause 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+===== test_hlr_rej_auth_info_unknown_imsi: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_rej_auth_info_net_fail
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _SEND_AUTH_INFO_ERROR = net fail
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: 09010809710000004026f0020111
+DVLR GSUP rx 14: 09010809710000004026f0020111
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 17: Network failure
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result VLR_AUTH_RES_PROC_ERR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+- sending LU Reject for IMSI:901700000004620, cause 17
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+===== test_hlr_rej_auth_info_net_fail: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_rej_auth_info_net_fail_reuse_tuples
+---
+- Submit a used auth tuple in the VLR
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DVLR GSUP rx 47: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Now one auth tuple is available, but used.
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->last_tuple->use_count == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- Another LU wants to get new tuples; even though HLR sends Network Failure, we are reusing the old tuples.
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _SEND_AUTH_INFO_ERROR = net fail
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: 09010809710000004026f0020111
+DVLR GSUP rx 14: 09010809710000004026f0020111
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 17: Network failure
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=2 key_seq=0
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=2 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:46071: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:46071) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(MSISDN:46071) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_hlr_rej_auth_info_net_fail_reuse_tuples: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_rej_auth_info_net_fail_no_reuse_tuples
+---
+- Submit a used auth tuple in the VLR
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DVLR GSUP rx 47: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Now one auth tuple is available, but used.
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->last_tuple->use_count == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- Another LU wants to get new tuples; HLR sends Network Failure, we reject.
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _SEND_AUTH_INFO_ERROR = net fail
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: 09010809710000004026f0020111
+DVLR GSUP rx 14: 09010809710000004026f0020111
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 17: Network failure
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result VLR_AUTH_RES_PROC_ERR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+- sending LU Reject for MSISDN:46071, cause 17
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_hlr_rej_auth_info_net_fail_no_reuse_tuples: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples
+---
+- Submit a used auth tuple in the VLR
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DVLR GSUP rx 47: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Now one auth tuple is available, but used.
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->last_tuple->use_count == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- Another LU wants to get new tuples; HLR sends IMSI Unknown. Even though we would re-use an old tuple, reject the unknown IMSI.
+  net->vlr->cfg.auth_reuse_old_sets_on_error == 1
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _SEND_AUTH_INFO_ERROR = unknown IMSI
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: 09010809710000004026f0020102
+DVLR GSUP rx 14: 09010809710000004026f0020102
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_NACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: GSUP: rx Auth Info Error cause: 2: IMSI unknown in HLR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result VLR_AUTH_RES_UNKNOWN_SUBSCR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+- sending LU Reject for MSISDN:46071, cause 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_acc_but_no_auth_tuples
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT but it lacks auth tuples
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f0
+DVLR GSUP rx 11: 0a010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Authentication terminating with result VLR_AUTH_RES_PROC_ERR
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_AUTH_FAILED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTH_FAILED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+- sending LU Reject for IMSI:901700000004620, cause 17
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+===== test_hlr_acc_but_no_auth_tuples: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_rej_lu
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends UPDATE_LOCATION_ERROR
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR: 05010809710000004026f0020102
+DVLR GSUP rx 14: 05010809710000004026f0020102
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR SUBSCR(IMSI:901700000004620) UpdateLocation failed; gmm_cause: IMSI unknown in HLR
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_NACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+- sending LU Reject for IMSI:901700000004620, cause 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 0
+===== test_hlr_rej_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_no_insert_data
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends only _UPDATE_LOCATION_RESULT, no INSERT DATA
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for IMSI:901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr IMSI:901700000004620
+===== test_hlr_no_insert_data: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.ok b/tests/msc_vlr/msc_vlr_test_hlr_reject.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_timeout.c b/tests/msc_vlr/msc_vlr_test_hlr_timeout.c
new file mode 100644
index 0000000..2872f0c
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_timeout.c
@@ -0,0 +1,114 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+#include <osmocom/core/logging.h>
+
+void test_hlr_timeout_lu_auth_info()
+{
+	comment_start();
+
+	fake_time_start();
+
+	net->authentication_required = true;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	BTW("HLR never replies");
+
+	btw("At first, we're still waiting");
+	fake_time_passes(0, 423);
+	EXPECT_CONN_COUNT(1);
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	fake_time_passes(1, 235);
+	btw("SUBSCR_CONN_TIMEOUT has passed, conn is gone.");
+	EXPECT_CONN_COUNT(0);
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_hlr_timeout_lu_upd_loc_result()
+{
+	comment_start();
+
+	fake_time_start();
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	BTW("HLR never sends GSUP _UPDATE_LOCATION_RESULT");
+
+	btw("At first, we're still waiting");
+	fake_time_passes(0, 423);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	btw("SUBSCR_CONN_TIMEOUT has passed, conn is gone.");
+	EXPECT_CONN_COUNT(0);
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_hlr_timeout_lu_auth_info,
+	test_hlr_timeout_lu_upd_loc_result,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_timeout.err b/tests/msc_vlr/msc_vlr_test_hlr_timeout.err
new file mode 100644
index 0000000..1d2541d
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_timeout.err
@@ -0,0 +1,183 @@
+===== test_hlr_timeout_lu_auth_info
+- Total time passed: 0.000000 s
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+---
+- HLR never replies
+- At first, we're still waiting
+- Total time passed: 0.000423 s
+  llist_count(&net->subscr_conns) == 1
+- Total time passed: 1.000658 s
+  llist_count(&net->subscr_conns) == 1
+- Total time passed: 2.000893 s
+  llist_count(&net->subscr_conns) == 1
+- Total time passed: 3.001128 s
+  llist_count(&net->subscr_conns) == 1
+- Total time passed: 4.001363 s
+  llist_count(&net->subscr_conns) == 1
+- Total time passed: 5.001598 s
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Timeout of T0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Connection timed out
+- sending LU Reject for IMSI:901700000004620, cause 22
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Event SUBSCR_CONN_E_CN_CLOSE not permitted
+- SUBSCR_CONN_TIMEOUT has passed, conn is gone.
+  llist_count(&net->subscr_conns) == 0
+  lu_result_sent == 2
+===== test_hlr_timeout_lu_auth_info: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_hlr_timeout_lu_upd_loc_result
+- Total time passed: 0.000000 s
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+---
+- HLR never sends GSUP _UPDATE_LOCATION_RESULT
+- At first, we're still waiting
+- Total time passed: 0.000423 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 1.000658 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 2.000893 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 3.001128 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 4.001363 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 5.001598 s
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Timeout of T0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Connection timed out
+- sending LU Reject for MSISDN:46071, cause 22
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Event SUBSCR_CONN_E_CN_CLOSE not permitted
+- SUBSCR_CONN_TIMEOUT has passed, conn is gone.
+  llist_count(&net->subscr_conns) == 0
+  lu_result_sent == 2
+===== test_hlr_timeout_lu_upd_loc_result: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_timeout.ok b/tests/msc_vlr/msc_vlr_test_hlr_timeout.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_hlr_timeout.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.c b/tests/msc_vlr/msc_vlr_test_ms_timeout.c
new file mode 100644
index 0000000..47ca967
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.c
@@ -0,0 +1,183 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_ms_timeout_lu_auth_resp()
+{
+	comment_start();
+
+	net->authentication_required = true;
+
+	fake_time_start();
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	BTW("MS fails to send an Authentication Response");
+
+	btw("At first, we're still waiting");
+	fake_time_passes(0, 423);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	btw("SUBSCR_CONN_TIMEOUT has passed, conn is gone.");
+	EXPECT_CONN_COUNT(0);
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+
+	comment_end();
+}
+
+void test_ms_timeout_cm_auth_resp()
+{
+	comment_start();
+
+	net->authentication_required = true;
+
+	fake_time_start();
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("08010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	auth_request_sent = false;
+	auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
+	auth_request_expect_autn = NULL;
+	/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000004026f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0322"  "2010" "585df1ae287f6e273dce07090d61320b"
+		/*       TL     sres       TL     kc */
+			"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
+		"0322"  "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
+			"2104" "20bde240" "2208" "07fa7502e07e1c00"
+		"0322"  "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
+			"2104" "a29514ae" "2208" "e2b234f807886400"
+		"0322"  "2010" "fa8f20b781b5881329d4fea26b1a3c51"
+			"2104" "5afc8d72" "2208" "2392f14f709ae000"
+		"0322"  "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
+			"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("05542d8b2c3e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
+	auth_request_sent = false;
+	auth_request_expect_rand = "12aca96fb4ffdea5c985cbafa9b6e18b";
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	BTW("MS fails to send an Authentication Response");
+
+	btw("At first, we're still waiting");
+	fake_time_passes(0, 423);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	fake_time_passes(1, 235);
+	btw("SUBSCR_CONN_TIMEOUT has passed, conn is gone.");
+	EXPECT_CONN_COUNT(0);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_REJECT, "%d");
+
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_ms_timeout_lu_auth_resp,
+	test_ms_timeout_cm_auth_resp,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.err b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
new file mode 100644
index 0000000..beee070
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
@@ -0,0 +1,332 @@
+===== test_ms_timeout_lu_auth_resp
+- Total time passed: 0.000000 s
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DVLR GSUP rx 47: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a800
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+---
+- MS fails to send an Authentication Response
+- At first, we're still waiting
+- Total time passed: 0.000423 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 1.000658 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 2.000893 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 3.001128 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 4.001363 s
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 0
+- Total time passed: 5.001598 s
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Timeout of T0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Connection timed out
+- sending LU Reject for IMSI:901700000004620, cause 22
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
+DREF IMSI:901700000004620: MSC conn use - 1 == 0
+DRLL subscr IMSI:901700000004620: Freeing subscriber connection
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
+DREF freeing VLR subscr IMSI:901700000004620
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Event SUBSCR_CONN_E_CN_CLOSE not permitted
+- SUBSCR_CONN_TIMEOUT has passed, conn is gone.
+  llist_count(&net->subscr_conns) == 0
+  lu_result_sent == 2
+===== test_ms_timeout_lu_auth_resp: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_ms_timeout_cm_auth_resp
+- Total time passed: 0.000000 s
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
+- ...rand=585df1ae287f6e273dce07090d61320b
+- ...expecting sres=2d8b2c3e
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000004620) received res: 2d 8b 2c 3e 
+DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending GSM Auth Request for MSISDN:46071: tuple use_count=1 key_seq=1 auth_types=0x1 and...
+- ...rand=12aca96fb4ffdea5c985cbafa9b6e18b
+- ...expecting sres=20bde240
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+---
+- MS fails to send an Authentication Response
+- At first, we're still waiting
+- Total time passed: 0.000423 s
+  llist_count(&net->subscr_conns) == 1
+  cm_service_result_sent == 0
+- Total time passed: 1.000658 s
+  llist_count(&net->subscr_conns) == 1
+  cm_service_result_sent == 0
+- Total time passed: 2.000893 s
+  llist_count(&net->subscr_conns) == 1
+  cm_service_result_sent == 0
+- Total time passed: 3.001128 s
+  llist_count(&net->subscr_conns) == 1
+  cm_service_result_sent == 0
+- Total time passed: 4.001363 s
+  llist_count(&net->subscr_conns) == 1
+  cm_service_result_sent == 0
+- Total time passed: 5.001598 s
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Timeout of T0
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: Connection timed out
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_TIMEOUT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_TIMEOUT
+- sending CM Service Reject for MSISDN:46071, result VLR_PR_ARQ_RES_TIMEOUT
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Removing from parent Process_Access_Request_VLR(901700000004620)
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Freeing instance
+DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Deallocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Event SUBSCR_CONN_E_CN_CLOSE not permitted
+- SUBSCR_CONN_TIMEOUT has passed, conn is gone.
+  llist_count(&net->subscr_conns) == 0
+  cm_service_result_sent == 2
+DREF freeing VLR subscr MSISDN:46071
+===== test_ms_timeout_cm_auth_resp: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.ok b/tests/msc_vlr/msc_vlr_test_ms_timeout.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.c b/tests/msc_vlr/msc_vlr_test_no_authen.c
new file mode 100644
index 0000000..fdafe3e
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.c
@@ -0,0 +1,498 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_no_authen()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request");
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(true);
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response, we deliver the SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("06270703305882089910070000006402");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_no_authen_tmsi()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->vlr->cfg.assign_tmsi = true;
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x03020100, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == GSM_RESERVED_TMSI, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the new TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("after a while, a new conn sends a CM Service Request using above TMSI");
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886" "05f4" "03020100");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(true);
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged using above TMSI");
+	paging_expect_tmsi(0x03020100);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x03020100);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response using TMSI, we deliver the SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("06270703305882" "05f4" "03020100");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	/* TODO: when the subscriber detaches, the vlr_subscr gets
+	 * deallocated and we no longer know the TMSI. This case is covered by
+	 * test_lu_unknown_tmsi(), so here I'd like to still have the TMSI.
+	BTW("subscriber detaches, using TMSI");
+	ms_sends_msg("050130" "05f4" "03020100");
+	EXPECT_CONN_COUNT(0);
+	 */
+
+	BTW("subscriber sends LU Request, this time with the TMSI");
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130" "05f4" "03020100");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("even though the TMSI is not acked, we can already find the subscr with it");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x07060504);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == 0x07060504, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	EXPECT_CONN_COUNT(0);
+
+	btw("subscriber has the new TMSI");
+	vsub = vlr_subscr_find_by_tmsi(net->vlr, 0x07060504);
+	VERBOSE_ASSERT(vsub != NULL, == true, "%d");
+	VERBOSE_ASSERT(strcmp(vsub->imsi, imsi), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi_new, == GSM_RESERVED_TMSI, "0x%08x");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x07060504, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches, using new TMSI");
+	ms_sends_msg("050130" "05f4" "07060504");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_no_authen_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_no_authen_tmsi_imei()
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000004620";
+
+	comment_start();
+
+	net->vlr->cfg.assign_tmsi = true;
+	net->vlr->cfg.check_imei_rqd = true;
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
+	dtap_expect_tx("051802");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("We will only do business when the IMEI is known");
+	EXPECT_CONN_COUNT(1);
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(vsub->imei[0], == 0, "%d");
+	vlr_subscr_put(vsub);
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS replies with an Identity Response");
+	ms_sends_msg("0559084a32244332244332");
+
+	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends TMSI Realloc Complete");
+	ms_sends_msg("055b");
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	btw("Subscriber has the IMEI and TMSI");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(strcmp(vsub->imei, "423423423423423"), == 0, "%d");
+	VERBOSE_ASSERT(vsub->tmsi, == 0x03020100, "0x%08x");
+	vlr_subscr_put(vsub);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_no_authen,
+	test_no_authen_tmsi,
+	test_no_authen_imei,
+	test_no_authen_tmsi_imei,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.err b/tests/msc_vlr/msc_vlr_test_no_authen.err
new file mode 100644
index 0000000..12b6c69
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.err
@@ -0,0 +1,1157 @@
+===== test_no_authen
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+msc_subscr_conn_is_accepted() == true
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response, we deliver the SMS
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 6
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 5
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_no_authen: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_no_authen_tmsi
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x03020100
+  vsub->tmsi == 0xffffffff
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the new TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0xffffffff
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- after a while, a new conn sends a CM Service Request using above TMSI
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+msc_subscr_conn_is_accepted() == true
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged using above TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  paging_expecting_tmsi == 0x03020100
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+- MS replies with Paging Response using TMSI, we deliver the SMS
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(TMSI)=50462976
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: is child of Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 6
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 5
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(50462976){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber sends LU Request, this time with the TMSI
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(TMSI)=50462976 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: is child of Subscr_Conn(50462976)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(50462976)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(50462976)
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(50462976){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(50462976)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(50462976)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(50462976)
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(50462976){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x07060504
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- even though the TMSI is not acked, we can already find the subscr with it
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0x07060504
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(50462976)
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(50462976){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(50462976)
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(50462976){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(50462976){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  llist_count(&net->subscr_conns) == 0
+- subscriber has the new TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub != NULL == 1
+  strcmp(vsub->imsi, imsi) == 0
+  vsub->tmsi_new == 0xffffffff
+  vsub->tmsi == 0x07060504
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches, using new TMSI
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(TMSI)=117835012
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_no_authen_tmsi: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_no_authen_imei
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_no_authen_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_no_authen_tmsi_imei
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI_TMSI
+- DTAP --> MS: 051802
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- We will only do business when the IMEI is known
+  llist_count(&net->subscr_conns) == 1
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  vsub->imei[0] == 0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS replies with an Identity Response
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMEI)=423423423423423
+DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=423423423423423
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+- sending LU Accept for MSISDN:46071, with TMSI 0x03020100
+DREF MSISDN:46071: MSC conn use - 1 == 1
+- a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
+  llist_count(&net->subscr_conns) == 1
+  lu_result_sent == 1
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends TMSI Realloc Complete
+  rx from MS: pdisc=0x05 msg_type=0x5b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM TMSI Reallocation Completed. Subscriber: MSISDN:46071
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_NEW_TMSI_ACK
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: Received Event LU_COMPL_VLR_E_NEW_TMSI_ACK
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_TMSI_CNF}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+- Subscriber has the IMEI and TMSI
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  strcmp(vsub->imei, "423423423423423") == 0
+  vsub->tmsi == 0x03020100
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_no_authen_tmsi_imei: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.ok b/tests/msc_vlr/msc_vlr_test_no_authen.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.c b/tests/msc_vlr/msc_vlr_test_reject_concurrency.c
new file mode 100644
index 0000000..1598858
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.c
@@ -0,0 +1,379 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_reject_2nd_conn()
+{
+	struct gsm_subscriber_connection *conn1;
+	comment_start();
+
+	btw("Location Update Request on one connection");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	btw("Another Location Update Request from the same subscriber on another connection is rejected");
+	conn1 = g_conn;
+	g_conn = NULL;
+	ms_sends_msg("050802008168000130089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
+	EXPECT_CONN_COUNT(1);
+
+
+	BTW("The first connection can still complete its LU");
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	g_conn = conn1;
+	lu_result_sent = RES_NONE;
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void _normal_lu_part1()
+{
+	btw("Location Update Request");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+}
+
+void _normal_lu_part2()
+{
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	lu_result_sent = RES_NONE;
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+}
+
+void _normal_lu()
+{
+	BTW("Subscriber does a normal LU");
+	_normal_lu_part1();
+	_normal_lu_part2();
+}
+
+void _normal_cm_service_req()
+{
+	BTW("Subscriber does a normal CM Service Request");
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(true);
+}
+
+void _page()
+{
+	const char *imsi = "901700000004620";
+	struct vlr_subscr *vsub;
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+}
+
+void _paging_resp_part1()
+{
+	btw("MS replies with Paging Response, we deliver the SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05806470f1" /* originating address 46071 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("06270703305882089910070000006402");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+}
+
+void _paging_resp_part2(int expect_conn_count)
+{
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done");
+	EXPECT_CONN_COUNT(expect_conn_count);
+}
+
+void test_reject_lu_during_lu()
+{
+	comment_start();
+
+	_normal_lu_part1();
+
+	BTW("Another Location Update Request from the same subscriber on the same conn is dropped silently");
+	ms_sends_msg("050802008168000130089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("The first LU can still complete");
+	_normal_lu_part2();
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_cm_during_lu()
+{
+	comment_start();
+
+	_normal_lu_part1();
+
+	BTW("A CM Service Request in the middle of a LU is rejected");
+	cm_service_result_sent = RES_NONE;
+	dtap_expect_tx("052211");
+	ms_sends_msg("05247803305886089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("The first LU can still complete");
+	_normal_lu_part2();
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_paging_resp_during_lu()
+{
+	comment_start();
+
+	_normal_lu_part1();
+
+	BTW("An erratic Paging Response is dropped silently");
+	ms_sends_msg("06270703305882089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("The first LU can still complete");
+	_normal_lu_part2();
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_lu_during_cm()
+{
+	comment_start();
+
+	_normal_lu();
+	_normal_cm_service_req();
+
+	btw("A LU request on an open conn is dropped silently");
+	/* TODO: accept periodic LU on an already open conn? */
+	lu_result_sent = RES_NONE;
+	ms_sends_msg("050802008168000130089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_cm_during_cm()
+{
+	comment_start();
+
+	_normal_lu();
+	_normal_cm_service_req();
+
+	btw("A second CM Service Request on the same conn is accepted without another auth dance");
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_paging_resp_during_cm()
+{
+	comment_start();
+
+	_normal_lu();
+	_normal_cm_service_req();
+
+	BTW("An erratic Paging Response on the same conn is dropped silently");
+	ms_sends_msg("06270703305882089910070000006402");
+	EXPECT_CONN_COUNT(1);
+
+	BTW("The original CM Service Request can conclude");
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 46071\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_paging_resp_during_paging_resp()
+{
+	comment_start();
+
+	_normal_lu();
+	_page();
+	_paging_resp_part1();
+
+	BTW("MS sends another erratic Paging Response which is dropped silently");
+	ms_sends_msg("06270703305882089910070000006402");
+
+	_paging_resp_part2(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_lu_during_paging_resp()
+{
+	comment_start();
+
+	_normal_lu();
+	_page();
+	_paging_resp_part1();
+
+	BTW("MS sends erratic LU Request, which is dropped silently");
+	lu_result_sent = RES_NONE;
+	ms_sends_msg("050802008168000130089910070000006402");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+	EXPECT_CONN_COUNT(1);
+
+	_paging_resp_part2(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_reject_cm_during_paging_resp()
+{
+	comment_start();
+
+	_normal_lu();
+	_page();
+	_paging_resp_part1();
+
+	BTW("CM Service Request during open connection is accepted");
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("05247803305886089910070000006402");
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(1);
+	VERBOSE_ASSERT(g_conn->received_cm_service_request, == true, "%d");
+
+	_paging_resp_part2(1);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_reject_2nd_conn,
+	test_reject_lu_during_lu,
+	test_reject_cm_during_lu,
+	test_reject_paging_resp_during_lu,
+	test_reject_lu_during_cm,
+	test_reject_cm_during_cm,
+	test_reject_paging_resp_during_cm,
+	test_reject_lu_during_paging_resp,
+	test_reject_cm_during_paging_resp,
+	test_reject_paging_resp_during_paging_resp,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.err b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
new file mode 100644
index 0000000..874cf5f
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
@@ -0,0 +1,1743 @@
+===== test_reject_2nd_conn
+- Location Update Request on one connection
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- Another Location Update Request from the same subscriber on another connection is rejected
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: A Location Updating process is already pending for this subscriber. Aborting.
+- sending LU Reject for unknown, cause 22
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=unknown, cause=2): no conn fsm, releasing directly without release event.
+DREF unknown: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DRR 901700000004620: internal error during Location Updating attempt
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  lu_result_sent == 2
+  llist_count(&net->subscr_conns) == 1
+---
+- The first connection can still complete its LU
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_2nd_conn: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_lu_during_lu
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- Another Location Update Request from the same subscriber on the same conn is dropped silently
+  rx from MS: pdisc=0x05 msg_type=0x08
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM 901700000004620: Error: connection already in use
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- The first LU can still complete
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_lu_during_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_cm_during_lu
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- A CM Service Request in the middle of a LU is rejected
+  rx from MS: pdisc=0x05 msg_type=0x24
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DMM IMSI:901700000004620: connection already in use
+DMM -> CM SERVICE Reject cause: 17
+- DTAP --> MS: 052211
+- DTAP matches expected message
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  cm_service_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- The first LU can still complete
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_cm_during_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_paging_resp_during_lu
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- An erratic Paging Response is dropped silently
+  rx from MS: pdisc=0x06 msg_type=0x27
+DREF IMSI:901700000004620: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DMM 901700000004620: Error: connection already in use
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- The first LU can still complete
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_paging_resp_during_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_lu_during_cm
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Subscriber does a normal CM Service Request
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+msc_subscr_conn_is_accepted() == true
+- A LU request on an open conn is dropped silently
+  rx from MS: pdisc=0x05 msg_type=0x08
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM 901700000004620: Error: connection already in use
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM IMSI DETACH for MSISDN:46071
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_ERROR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=0): already dispatching release, ignore.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+  llist_count(&net->subscr_conns) == 0
+===== test_reject_lu_during_cm: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_cm_during_cm
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Subscriber does a normal CM Service Request
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+msc_subscr_conn_is_accepted() == true
+- A second CM Service Request on the same conn is accepted without another auth dance
+  rx from MS: pdisc=0x05 msg_type=0x24
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DMM MSISDN:46071: re-using already accepted connection
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+  llist_count(&net->subscr_conns) == 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM IMSI DETACH for MSISDN:46071
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_ERROR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=0): already dispatching release, ignore.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+  llist_count(&net->subscr_conns) == 0
+===== test_reject_cm_during_cm: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_paging_resp_during_cm
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- Subscriber does a normal CM Service Request
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+msc_subscr_conn_is_accepted() == true
+---
+- An erratic Paging Response on the same conn is dropped silently
+  rx from MS: pdisc=0x06 msg_type=0x27
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DMM 901700000004620: Error: connection already in use
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  llist_count(&net->subscr_conns) == 1
+---
+- The original CM Service Request can conclude
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 46071
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:46071 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:46071: MSISDN = 46071
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_paging_resp_during_cm: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_lu_during_paging_resp
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- MS replies with Paging Response, we deliver the SMS
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 6
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 5
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+---
+- MS sends erratic LU Request, which is dropped silently
+  rx from MS: pdisc=0x05 msg_type=0x08
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=5
+DMM 901700000004620: Error: connection already in use
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_lu_during_paging_resp: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_cm_during_paging_resp
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- MS replies with Paging Response, we deliver the SMS
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 6
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 5
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+---
+- CM Service Request during open connection is accepted
+  rx from MS: pdisc=0x05 msg_type=0x24
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DMM MSISDN:46071: re-using already accepted connection
+- sending CM Service Accept for MSISDN:46071
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  cm_service_result_sent == 1
+  llist_count(&net->subscr_conns) == 1
+  g_conn->received_cm_service_request == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  dtap_tx_confirmed == 1
+- SMS is done
+  llist_count(&net->subscr_conns) == 1
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM IMSI DETACH for MSISDN:46071
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_ERROR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=0): already dispatching release, ignore.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+  llist_count(&net->subscr_conns) == 0
+===== test_reject_cm_during_paging_resp: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_reject_paging_resp_during_paging_resp
+---
+- Subscriber does a normal LU
+- Location Update Request
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+  llist_count(&net->subscr_conns) == 1
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DMM Subscriber MSISDN:46071 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000004620 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- MS replies with Paging Response, we deliver the SMS
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:46071 usage increases to: 4
+DREF VLR subscr MSISDN:46071 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000004620 usage decreases to: 0
+DREF VLR subscr MSISDN:46071 usage increases to: 6
+DREF MSISDN:46071: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 5
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF VLR subscr MSISDN:46071 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+---
+- MS sends another erratic Paging Response which is dropped silently
+  rx from MS: pdisc=0x06 msg_type=0x27
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000004620
+DMM 901700000004620: Error: connection already in use
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:46071: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:46071: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:46071 usage decreases to: 3
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DREF MSISDN:46071: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_reject_paging_resp_during_paging_resp: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.ok b/tests/msc_vlr/msc_vlr_test_reject_concurrency.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_rest.c b/tests/msc_vlr/msc_vlr_test_rest.c
new file mode 100644
index 0000000..5ccc951
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_rest.c
@@ -0,0 +1,188 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_early_stage()
+{
+	comment_start();
+
+	btw("NULL conn");
+	EXPECT_ACCEPTED(false);
+
+	btw("freshly allocated conn");
+	g_conn = msc_subscr_con_allocate(net);
+	g_conn->bts = the_bts;
+	EXPECT_ACCEPTED(false);
+
+	btw("conn_fsm present, in state NEW");
+	OSMO_ASSERT(msc_create_conn_fsm(g_conn, "test") == 0);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->conn_fsm->state == SUBSCR_CONN_S_NEW);
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	btw("fake: acceptance");
+	g_conn->vsub = vlr_subscr_alloc(net->vlr);
+	OSMO_ASSERT(g_conn->vsub);
+	/* mark as silent call so it sticks around */
+	g_conn->silent_call = 1;
+	osmo_fsm_inst_state_chg(g_conn->conn_fsm, SUBSCR_CONN_S_ACCEPTED, 0, 0);
+	EXPECT_CONN_COUNT(1);
+	EXPECT_ACCEPTED(true);
+
+	btw("CLOSE event marks conn_fsm as released and frees the conn");
+	osmo_fsm_inst_dispatch(g_conn->conn_fsm, SUBSCR_CONN_E_CN_CLOSE, NULL);
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_cm_service_without_lu()
+{
+	comment_start();
+
+	btw("CM Service Request without a prior Location Updating");
+	ms_sends_msg("05247803305886089910070000006402");
+
+	btw("conn was released");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+	comment_end();
+}
+
+void test_two_lu()
+{
+	comment_start();
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+
+	BTW("verify that the MS can send another LU request");
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("050802008168000130089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+
+	thwart_rx_non_initial_requests();
+
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130089910070000006402");
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+void test_lu_unknown_tmsi()
+{
+	comment_start();
+
+	btw("Location Update request with unknown TMSI sends ID Request for IMSI");
+	lu_result_sent = RES_NONE;
+	dtap_expect_tx("051801");
+	ms_sends_msg("050802008168000130" "05f4" "23422342");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS tells us the IMSI, causes a GSUP LU request to HLR");
+	gsup_expect_tx("04010809710000004026f0");
+	ms_sends_msg("0559089910070000006402");
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000004026f00804036470f1",
+		"12010809710000004026f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("having received subscriber data does not mean acceptance");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000004026f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_early_stage,
+	test_cm_service_without_lu,
+	test_two_lu,
+	test_lu_unknown_tmsi,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_rest.err b/tests/msc_vlr/msc_vlr_test_rest.err
new file mode 100644
index 0000000..3dd7141
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_rest.err
@@ -0,0 +1,478 @@
+===== test_early_stage
+- NULL conn
+msc_subscr_conn_is_accepted() == false
+- freshly allocated conn
+msc_subscr_conn_is_accepted() == false
+- conn_fsm present, in state NEW
+DREF unknown: MSC conn use + 1 == 1
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr unknown: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr unknown: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr unknown: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr unknown: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- fake: acceptance
+DREF VLR subscr unknown usage increases to: 1
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+  llist_count(&net->subscr_conns) == 1
+msc_subscr_conn_is_accepted() == true
+- CLOSE event marks conn_fsm as released and frees the conn
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DMM msc_subscr_conn_close(vsub=unknown, cause=2): no conn fsm, releasing directly without release event.
+DMM unknown: Unknown RAN type, cannot tx release/clear
+DREF unknown: MSC conn use - 1 == 0
+DRLL subscr unknown: Freeing subscriber connection
+DREF VLR subscr unknown usage decreases to: 0
+DREF freeing VLR subscr unknown
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(test){SUBSCR_CONN_S_RELEASED}: Deallocated
+  llist_count(&net->subscr_conns) == 0
+===== test_early_stage: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_cm_service_without_lu
+- CM Service Request without a prior Location Updating
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000004620
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: rev=GSM net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: proc_arq_fsm_done(VLR_PR_ARQ_RES_UNIDENT_SUBSCR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_UNIDENT_SUBSCR
+- sending CM Service Reject for unknown, result VLR_PR_ARQ_RES_UNIDENT_SUBSCR
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000004620){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=unknown, cause=2): no conn fsm, releasing directly without release event.
+DREF unknown: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+- conn was released
+  llist_count(&net->subscr_conns) == 0
+===== test_cm_service_without_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_two_lu
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR New subscr, IMSI: 901700000004620
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- verify that the MS can send another LU request
+- Location Update request causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:46071: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000004620){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000004620)
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000004620){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000004620)
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000004620){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000004620
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DMM IMSI DETACH for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+DREF VLR subscr MSISDN:46071 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:46071
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_two_lu: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_lu_unknown_tmsi
+- Location Update request with unknown TMSI sends ID Request for IMSI
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(TMSI)=591536962 type=IMSI ATTACH
+DMM LU/new-LAC: 1/0
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: is child of Subscr_Conn(591536962)
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: rev=GSM net=GERAN (no Auth)
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR New subscr, TMSI: 0x23422342
+DREF VLR subscr TMSI:0x23422342 usage increases to: 2
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: vlr_loc_upd_want_imsi()
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_IMSI
+- DTAP --> MS: 051801
+- DTAP matches expected message
+DREF VLR subscr TMSI:0x23422342 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF TMSI:0x23422342: MSC conn use - 1 == 1
+  lu_result_sent == 0
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr TMSI:0x23422342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr TMSI:0x23422342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr TMSI:0x23422342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr TMSI:0x23422342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS tells us the IMSI, causes a GSUP LU request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x59
+DREF TMSI:0x23422342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IDENTITY RESPONSE: MI(IMSI)=901700000004620
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: Received Event VLR_ULA_E_ID_IMSI
+DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_IMSI}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(591536962)
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f0
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000004620: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f1
+DVLR GSUP rx 17: 10010809710000004026f00804036470f1
+DREF VLR subscr IMSI:901700000004620 usage increases to: 2
+DVLR IMSI:901700000004620 has MSISDN:46071
+DVLR GSUP tx: 12010809710000004026f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- having received subscriber data does not mean acceptance
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:46071: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f0
+DVLR GSUP rx 11: 06010809710000004026f0
+DREF VLR subscr MSISDN:46071 usage increases to: 2
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(591536962)
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(591536962){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(591536962)
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(591536962)
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(591536962)
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(591536962){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:46071
+DREF VLR subscr MSISDN:46071 usage increases to: 3
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(591536962)
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(591536962){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(591536962)
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(591536962){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:46071, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:46071: MSC conn use - 1 == 0
+DRLL subscr MSISDN:46071: Freeing subscriber connection
+DREF VLR subscr MSISDN:46071 usage decreases to: 2
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(591536962){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:46071 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:46071
+===== test_lu_unknown_tmsi: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_rest.ok b/tests/msc_vlr/msc_vlr_test_rest.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_rest.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.c b/tests/msc_vlr/msc_vlr_test_umts_authen.c
new file mode 100644
index 0000000..219be3a
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.c
@@ -0,0 +1,458 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void _test_umts_authen(enum ran_type via_ran)
+{
+	struct vlr_subscr *vsub;
+	const char *imsi = "901700000010650";
+
+	net->authentication_required = true;
+	rx_from_ran = via_ran;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("080108" "09710000000156f0");
+	ms_sends_msg("0508" /* MM LU */
+		     "7" /* ciph key seq: no key available */
+		     "0" /* LU type: normal */
+		     "ffffff" "0000" /* LAI, LAC */
+		     "57" /* classmark 1: R99, early classmark, no power lvl */
+		     "089910070000106005" /* IMSI */
+		     "3303575886" /* classmark 2 */
+		     );
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* based on auc_3g:
+	 * K = 'EB215756028D60E3275E613320AEC880',
+	 * OPC = 'FB2A3D1B360F599ABAB99DB8669F8308'
+	 * SQN = 0
+	 */
+	auth_request_sent = false;
+	auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d";
+	auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919";
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000000156f0"
+		/* 5 auth vectors... */
+		/* TL    TL     rand */
+		"0362"  "2010" "39fa2f4e3d523d8619a73b4f65c3e14d"
+		/*       TL     sres       TL     kc */
+			"2104" "9b36efdf" "2208" "059a4f668f6fbe39"
+		/*       TL     3G IK */
+			"2310" "27497388b6cb044648f396aa155b95ef"
+		/*       TL     3G CK */
+			"2410" "f64735036e5871319c679f4742a75ea1"
+		/*       TL     AUTN */
+			"2510" "8704f5ba55f30000d2ee44b22c8ea919"
+		/*       TL     RES */
+			"2708" "e229c19e791f2e41"
+		/* TL    TL     rand */
+		"0362"  "2010" "c187a53a5e6b9d573cac7c74451fd46d"
+			"2104" "85aa3130" "2208" "d3d50a000bf04f6e"
+			"2310" "1159ec926a50e98c034a6b7d7c9f418d"
+			"2410" "df3a03d9ca5335641efc8e36d76cd20b"
+			"2510" "1843a645b98d00005b2d666af46c45d9"
+			"2708" "7db47cf7f81e4dc7"
+		"0362"  "2010" "efa9c29a9742148d5c9070348716e1bb"
+			"2104" "69d5f9fb" "2208" "3df176f0c29f1a3d"
+			"2310" "eb50e770ddcc3060101d2f43b6c2b884"
+			"2410" "76542abce5ff9345b0e8947f4c6e019c"
+			"2510" "f9375e6d41e1000096e7fe4ff1c27e39"
+			"2708" "706f996719ba609c"
+		"0362"  "2010" "f023d5a3b24726e0631b64b3840f8253"
+			"2104" "d570c03f" "2208" "ec011be8919883d6"
+			"2310" "c4e58af4ba43f3bcd904e16984f086d7"
+			"2410" "0593f65e752e5cb7f473862bda05aa0a"
+			"2510" "541ff1f077270000c5ea00d658bc7e9a"
+			"2708" "3fd26072eaa2a04d"
+		"0362"  "2010" "2f8f90c780d6a9c0c53da7ac57b6707e"
+			"2104" "b072446f220823f39f9f425ad6e6"
+			"2310" "65af0527fda95b0dc5ae4aa515cdf32f"
+			"2410" "537c3b35a3b13b08d08eeb28098f45cc"
+			"2510" "4bf4e564f75300009bc796706bc65744"
+			"2708" "0edb0eadbea94ac2",
+		NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000000156f0");
+	ms_sends_msg("0554" "e229c19e" "2104" "791f2e41");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000000156f00804032443f2",
+		"12010809710000000156f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000000156f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector");
+	auth_request_sent = false;
+	auth_request_expect_rand = "c187a53a5e6b9d573cac7c74451fd46d";
+	auth_request_expect_autn = "1843a645b98d00005b2d666af46c45d9";
+	cm_service_result_sent = RES_NONE;
+	ms_sends_msg("052478"
+		     "03575886" /* classmark 2 */
+		     "089910070000106005" /* IMSI */);
+	OSMO_ASSERT(g_conn);
+	OSMO_ASSERT(g_conn->conn_fsm);
+	OSMO_ASSERT(g_conn->vsub);
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts with a CM Service Accept");
+	gsup_expect_tx(NULL);
+	ms_sends_msg("0554" "7db47cf7" "2104" "f81e4dc7"); /* 2nd vector's res, s.a. */
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+
+	btw("a USSD request is serviced");
+	dtap_expect_tx_ussd("Your extension is 42342\r");
+	ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100");
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	btw("all requests serviced, conn has been released");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("an SMS is sent, MS is paged");
+	paging_expect_imsi(imsi);
+	paging_sent = false;
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+
+	send_sms(vsub, vsub,
+		 "Privacy in residential applications is a desirable"
+		 " marketing option.");
+
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+	vsub = NULL;
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == false, "%d");
+
+	btw("the subscriber and its pending request should remain");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("MS replies with Paging Response, and VLR sends Auth Request with third key");
+	auth_request_sent = false;
+	auth_request_expect_rand = "efa9c29a9742148d5c9070348716e1bb";
+	auth_request_expect_autn = "f9375e6d41e1000096e7fe4ff1c27e39";
+	ms_sends_msg("062707"
+		     "03575886" /* classmark 2 */
+		     "089910070000106005" /* IMSI */);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+
+	btw("needs auth, not yet accepted");
+	EXPECT_ACCEPTED(false);
+	thwart_rx_non_initial_requests();
+
+	btw("MS sends Authen Response, VLR accepts and sends pending SMS");
+	dtap_expect_tx("09" /* SMS messages */
+		       "01" /* CP-DATA */
+		       "58" /* length */
+		       "01" /* Network to MS */
+		       "00" /* reference */
+		       /* originator (gsm411_send_sms() hardcodes this weird nr) */
+		       "0791" "447758100650" /* 447785016005 */
+		       "00" /* dest */
+		       /* SMS TPDU */
+		       "4c" /* len */
+		       "00" /* SMS deliver */
+		       "05802443f2" /* originating address 42342 */
+		       "00" /* TP-PID */
+		       "00" /* GSM default alphabet */
+		       "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/
+		       "000000" /* H-M-S */
+		       "00" /* GMT+0 */
+		       "44" /* data length */
+		       "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e"
+		       "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb"
+		       "0c7ac3e9e9b7db05");
+	ms_sends_msg("0554" "706f9967" "2104" "19ba609c"); /* 3nd vector's res, s.a. */
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(paging_stopped, == true, "%d");
+
+	btw("SMS was delivered, no requests pending for subscr");
+	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi);
+	OSMO_ASSERT(vsub);
+	VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d");
+	vlr_subscr_put(vsub);
+
+	btw("conn is still open to wait for SMS ack dance");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS replies with CP-ACK for received SMS");
+	ms_sends_msg("8904");
+	EXPECT_CONN_COUNT(1);
+
+	btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that");
+	dtap_expect_tx("0904");
+	ms_sends_msg("890106020041020000");
+	VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d");
+
+	btw("SMS is done, conn is gone");
+	EXPECT_CONN_COUNT(0);
+
+	BTW("subscriber detaches");
+	ms_sends_msg("050130"
+		     "089910070000106005" /* IMSI */);
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+}
+
+void test_umts_authen_geran()
+{
+	comment_start();
+	_test_umts_authen(RAN_GERAN_A);
+	comment_end();
+}
+
+void test_umts_authen_utran()
+{
+	comment_start();
+	_test_umts_authen(RAN_UTRAN_IU);
+	comment_end();
+}
+
+#define RECALC_AUTS 0
+
+#if RECALC_AUTS
+typedef uint8_t u8;
+extern int milenage_f2345(const u8 *opc, const u8 *k, const u8 *_rand,
+			  u8 *res, u8 *ck, u8 *ik, u8 *ak, u8 *akstar);
+extern int milenage_f1(const u8 *opc, const u8 *k, const u8 *_rand,
+		       const u8 *sqn, const u8 *amf, u8 *mac_a, u8 *mac_s);
+#endif
+
+void _test_umts_authen_resync(enum ran_type via_ran)
+{
+	net->authentication_required = true;
+	rx_from_ran = via_ran;
+
+	btw("Location Update request causes a GSUP Send Auth Info request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("080108" "09710000000156f0");
+	ms_sends_msg("0508" /* MM LU */
+		     "7" /* ciph key seq: no key available */
+		     "0" /* LU type: normal */
+		     "ffffff" "0000" /* LAI, LAC */
+		     "57" /* classmark 1: R99, early classmark, no power lvl */
+		     "089910070000106005" /* IMSI */
+		     "3303575886" /* classmark 2 */
+		     );
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
+	/* based on auc_3g:
+	 * K = 'EB215756028D60E3275E613320AEC880',
+	 * OPC = 'FB2A3D1B360F599ABAB99DB8669F8308'
+	 * SQN = 0
+	 */
+	auth_request_sent = false;
+	auth_request_expect_rand = "39fa2f4e3d523d8619a73b4f65c3e14d";
+	auth_request_expect_autn = "8704f5ba55f30000d2ee44b22c8ea919";
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000000156f0"
+		/* auth vectors... */
+		/* TL    TL     rand */
+		"0362"  "2010" "39fa2f4e3d523d8619a73b4f65c3e14d"
+		/*       TL     sres       TL     kc */
+			"2104" "9b36efdf" "2208" "059a4f668f6fbe39"
+		/*       TL     3G IK */
+			"2310" "27497388b6cb044648f396aa155b95ef"
+		/*       TL     3G CK */
+			"2410" "f64735036e5871319c679f4742a75ea1"
+		/*       TL     AUTN */
+			"2510" "8704f5ba55f30000d2ee44b22c8ea919"
+		/*       TL     RES */
+			"2708" "e229c19e791f2e41"
+		,NULL);
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	/* The AUTN sent was 8704f5ba55f30000d2ee44b22c8ea919
+	 * (see expected error output)
+	 * with the first 6 bytes being SQN ^ AK.
+	 * K = EB215756028D60E3275E613320AEC880
+	 * OPC = FB2A3D1B360F599ABAB99DB8669F8308
+	 * RAND = 39fa2f4e3d523d8619a73b4f65c3e14d
+	 * --milenage-f5-->
+	 * AK = 8704f5ba55f3
+	 *
+	 * The first six bytes are 8704f5ba55f3,
+	 * and 8704f5ba55f3 ^ AK = 0.
+	 * --> SQN = 0.
+	 *
+	 * Say the USIM doesn't like that, let's say it is at SQN 23.
+	 * SQN_MS = 000000000017
+	 *
+	 * AUTS = Conc(SQN_MS) || MAC-S
+	 * Conc(SQN_MS) = SQN_MS ⊕ f5*[K](RAND)
+	 * MAC-S = f1*[K] (SQN MS || RAND || AMF)
+	 *
+	 * f5*--> Conc(SQN_MS) = 000000000017 ^ 979498b1f73a
+	 *                     = 979498b1f72d
+	 * AMF = 0000 (TS 33.102 v7.0.0, 6.3.3)
+	 *
+	 * MAC-S = f1*[K] (000000000017 || 39fa2f4e3d523d8619a73b4f65c3e14d || 0000)
+	 *       = 3e28c59fa2e72f9c
+	 *
+	 * AUTS = 979498b1f72d || 3e28c59fa2e72f9c
+	 */
+#if RECALC_AUTS
+	uint8_t ak[6];
+	uint8_t akstar[6];
+	uint8_t opc[16];
+	uint8_t k[16];
+	uint8_t rand[16];
+	osmo_hexparse("EB215756028D60E3275E613320AEC880", k, sizeof(k));
+	osmo_hexparse("FB2A3D1B360F599ABAB99DB8669F8308", opc, sizeof(opc));
+	osmo_hexparse("39fa2f4e3d523d8619a73b4f65c3e14d", rand, sizeof(rand));
+	milenage_f2345(opc, k, rand, NULL, NULL, NULL, ak, akstar);
+	btw("ak = %s", osmo_hexdump_nospc(ak, sizeof(ak)));
+	btw("akstar = %s", osmo_hexdump_nospc(akstar, sizeof(akstar)));
+
+	uint8_t sqn_ms[6] = { 0, 0, 0, 0, 0, 23 };
+	uint8_t amf[2] = { 0 };
+	uint8_t mac_s[8];
+	milenage_f1(opc, k, rand, sqn_ms, amf, NULL, mac_s);
+	btw("mac_s = %s", osmo_hexdump_nospc(mac_s, sizeof(mac_s)));
+	/* verify valid AUTS resulting in SQN 23 with:
+	   osmo-auc-gen -3 -a milenage -k EB215756028D60E3275E613320AEC880 \
+	                -o FB2A3D1B360F599ABAB99DB8669F8308 \
+	                -r 39fa2f4e3d523d8619a73b4f65c3e14d \
+	                -A 979498b1f72d3e28c59fa2e72f9c
+	 */
+#endif
+
+	btw("MS sends Authen Failure with Resync cause, VLR sends GSUP to HLR to resync");
+	auth_request_sent = false;
+	gsup_expect_tx("08" /* OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST */
+		       "0108" "09710000000156f0" /* IMSI */
+		       "260e" "979498b1f72d3e28c59fa2e72f9c" /* AUTS */
+		       "2010" "39fa2f4e3d523d8619a73b4f65c3e14d" /* RAND */);
+	ms_sends_msg("051c" /* 05 = MM; 1c = Auth Failure */
+		     "15"   /* cause = Synch Failure */
+		     "220e" "979498b1f72d3e28c59fa2e72f9c" /* AUTS */);
+	VERBOSE_ASSERT(gsup_tx_confirmed, == true, "%d");
+	VERBOSE_ASSERT(auth_request_sent, == false, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR replies with new tuples");
+	auth_request_sent = false;
+	auth_request_expect_rand = "0f1feb1623e1bf626334e37ec448ac18";
+	auth_request_expect_autn = "02a83f62e9470000660d51afc75f169d";
+	gsup_rx("0a"
+		/* imsi */
+		"0108" "09710000000156f0"
+		/* 1 auth vector */
+		/* TL    TL     rand */
+		"0362"  "2010" "0f1feb1623e1bf626334e37ec448ac18"
+		/*       TL     sres       TL     kc */
+			"2104" "efde99da" "2208" "14778c855c523730"
+		/*       TL     3G IK */
+			"2310" "8a90c769b7272f3bb7a1c1fbb1ea9349"
+		/*       TL     3G CK */
+			"2410" "43ffc1cf8c89a7fd6ab94bd8d6162cbf"
+		/*       TL     AUTN */
+			"2510" "02a83f62e9470000660d51afc75f169d"
+		/*       TL     RES */
+			"2708" "1df5f0b4f22b696e"
+		/* TL    TL     rand */
+		"0362"  "2010" "ac21d34937b4e1142a2c757af2949319"
+		/*       TL     sres       TL     kc */
+			"2104" "7818bfdc" "2208" "d175571f41f314a4"
+		/*       TL     3G IK */
+			"2310" "ff8edbceb6dd24799c77c3b9a6790c10"
+		/*       TL     3G CK */
+			"2410" "157c39022ca9d885a7f0766a7dfee448"
+		/*       TL     AUTN */
+			"2510" "8a43b91898e500002cf354c6f5d1f8c3"
+		/*       TL     RES */
+			"2708" "f748a7078f5018db"
+		,NULL);
+
+	VERBOSE_ASSERT(auth_request_sent, == true, "%d");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR");
+	gsup_expect_tx("04010809710000000156f0");
+	ms_sends_msg("0554" "1df5f0b4" "2104" "f22b696e");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000000156f00804032443f2",
+		"12010809710000000156f0");
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	gsup_rx("06010809710000000156f0", NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_CONN_COUNT(0);
+
+	clear_vlr();
+}
+
+void test_umts_authen_resync_geran()
+{
+	comment_start();
+	_test_umts_authen_resync(RAN_GERAN_A);
+	comment_end();
+}
+
+void test_umts_authen_resync_utran()
+{
+	comment_start();
+	_test_umts_authen_resync(RAN_UTRAN_IU);
+	comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+	test_umts_authen_geran,
+	test_umts_authen_utran,
+	test_umts_authen_resync_geran,
+	test_umts_authen_resync_utran,
+	NULL
+};
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.err b/tests/msc_vlr/msc_vlr_test_umts_authen.err
new file mode 100644
index 0000000..67c69c0
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.err
@@ -0,0 +1,1181 @@
+===== test_umts_authen_geran
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000010650 type=NORMAL
+DMM LU/new-LAC: 0/0
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: rev=R99 net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 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
+DVLR GSUP rx 511: 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
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=39fa2f4e3d523d8619a73b4f65c3e14d
+- ...autn=8704f5ba55f30000d2ee44b22c8ea919
+- ...expecting res=e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION RESPONSE (res = e229c19e791f2e41)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000010650) received res: e2 29 c1 9e 79 1f 2e 41 
+DVLR SUBSCR(IMSI:901700000010650) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f0
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804032443f2
+DVLR GSUP rx 17: 10010809710000000156f00804032443f2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR IMSI:901700000010650 has MSISDN:42342
+DVLR GSUP tx: 12010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f0
+DVLR GSUP rx 11: 06010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=R99 net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending UMTS Auth Request for MSISDN:42342: tuple use_count=1 key_seq=1 auth_types=0x3 and...
+- ...rand=c187a53a5e6b9d573cac7c74451fd46d
+- ...autn=1843a645b98d00005b2d666af46c45d9
+- ...expecting res=7db47cf7f81e4dc7
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts with a CM Service Accept
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM R99 AUTHENTICATION RESPONSE (res = 7db47cf7f81e4dc7)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 7d b4 7c f7 f8 1e 4d c7 
+DVLR SUBSCR(MSISDN:42342) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:42342
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 42342
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:42342 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:42342: MSISDN = 42342
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d273104d36a3c91a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DMM Subscriber MSISDN:42342 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000010650 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+- MS replies with Paging Response, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=R99 net=GERAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending UMTS Auth Request for MSISDN:42342: tuple use_count=1 key_seq=2 auth_types=0x3 and...
+- ...rand=efa9c29a9742148d5c9070348716e1bb
+- ...autn=f9375e6d41e1000096e7fe4ff1c27e39
+- ...expecting res=706f996719ba609c
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM R99 AUTHENTICATION RESPONSE (res = 706f996719ba609c)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 70 6f 99 67 19 ba 60 9c 
+DVLR SUBSCR(MSISDN:42342) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DREF MSISDN:42342: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DREF MSISDN:42342: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000010650
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DMM IMSI DETACH for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:42342
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_umts_authen_geran: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_umts_authen_utran
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000010650 type=NORMAL
+DMM LU/new-LAC: 0/0
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: rev=R99 net=UTRAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 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
+DVLR GSUP rx 511: 0a010809710000000156f00362201039fa2f4e3d523d8619a73b4f65c3e14d21049b36efdf2208059a4f668f6fbe39231027497388b6cb044648f396aa155b95ef2410f64735036e5871319c679f4742a75ea125108704f5ba55f30000d2ee44b22c8ea9192708e229c19e791f2e4103622010c187a53a5e6b9d573cac7c74451fd46d210485aa31302208d3d50a000bf04f6e23101159ec926a50e98c034a6b7d7c9f418d2410df3a03d9ca5335641efc8e36d76cd20b25101843a645b98d00005b2d666af46c45d927087db47cf7f81e4dc703622010efa9c29a9742148d5c9070348716e1bb210469d5f9fb22083df176f0c29f1a3d2310eb50e770ddcc3060101d2f43b6c2b884241076542abce5ff9345b0e8947f4c6e019c2510f9375e6d41e1000096e7fe4ff1c27e392708706f996719ba609c03622010f023d5a3b24726e0631b64b3840f82532104d570c03f2208ec011be8919883d62310c4e58af4ba43f3bcd904e16984f086d724100593f65e752e5cb7f473862bda05aa0a2510541ff1f077270000c5ea00d658bc7e9a27083fd26072eaa2a04d036220102f8f90c780d6a9c0c53da7ac57b6707e2104b072446f220823f39f9f425ad6e6231065af0527fda95b0dc5ae4aa515cdf32f2410537c3b35a3b13b08d08eeb28098f45cc25104bf4e564f75300009bc796706bc6574427080edb0eadbea94ac2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 5 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=39fa2f4e3d523d8619a73b4f65c3e14d
+- ...autn=8704f5ba55f30000d2ee44b22c8ea919
+- ...expecting res=e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION RESPONSE (res = e229c19e791f2e41)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000010650) received res: e2 29 c1 9e 79 1f 2e 41 
+DVLR SUBSCR(IMSI:901700000010650) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f0
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804032443f2
+DVLR GSUP rx 17: 10010809710000000156f00804032443f2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR IMSI:901700000010650 has MSISDN:42342
+DVLR GSUP tx: 12010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f0
+DVLR GSUP rx 11: 06010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+---
+- after a while, a new conn sends a CM Service Request. VLR responds with Auth Req, 2nd auth vector
+  rx from MS: pdisc=0x05 msg_type=0x24
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM <- CM SERVICE REQUEST serv_type=0x08 MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=R99 net=UTRAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=1
+- sending UMTS Auth Request for MSISDN:42342: tuple use_count=1 key_seq=1 auth_types=0x3 and...
+- ...rand=c187a53a5e6b9d573cac7c74451fd46d
+- ...autn=1843a645b98d00005b2d666af46c45d9
+- ...expecting res=7db47cf7f81e4dc7
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 0
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts with a CM Service Accept
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM R99 AUTHENTICATION RESPONSE (res = 7db47cf7f81e4dc7)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 7d b4 7c f7 f8 1e 4d c7 
+DVLR SUBSCR(MSISDN:42342) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+- sending CM Service Accept for MSISDN:42342
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_CM_SERVICE_REQ
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: received_cm_service_request = true
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  cm_service_result_sent == 1
+- a USSD request is serviced
+  expecting USSD:
+  Your extension is 42342
+  rx from MS: pdisc=0x0b msg_type=0x3b
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=11
+DMM MSISDN:42342 pdisc=11 msg_type=0x3b: received_cm_service_request changes to false
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DMM USSD: Own number requested
+DMM MSISDN:42342: MSISDN = 42342
+- DTAP --> MS: 8b2a1c27a225020100302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d273104d36a3c91a0d
+- DTAP matches expected message
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+- all requests serviced, conn has been released
+  llist_count(&net->subscr_conns) == 0
+---
+- an SMS is sent, MS is paged
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DMM Subscriber MSISDN:42342 not paged yet.
+  BTS/BSC sends out paging request to IMSI:901700000010650 for channel type 1
+  strcmp(paging_expecting_imsi, sub->imsi) == 0
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+  paging_sent == 1
+  paging_stopped == 0
+- the subscriber and its pending request should remain
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+  llist_count(&vsub->cs.requests) == 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+- MS replies with Paging Response, and VLR sends Auth Request with third key
+  rx from MS: pdisc=0x06 msg_type=0x27
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=6
+DRR PAGING RESPONSE: MI(IMSI)=901700000010650
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: is child of Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: rev=R99 net=UTRAN Auth (no Ciph)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr MSISDN:42342 usage increases to: 4
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=2
+- sending UMTS Auth Request for MSISDN:42342: tuple use_count=1 key_seq=2 auth_types=0x3 and...
+- ...rand=efa9c29a9742148d5c9070348716e1bb
+- ...autn=f9375e6d41e1000096e7fe4ff1c27e39
+- ...expecting res=706f996719ba609c
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DMM compl_l3: Keeping conn
+DREF MSISDN:42342: MSC conn use - 1 == 1
+  auth_request_sent == 1
+- needs auth, not yet accepted
+msc_subscr_conn_is_accepted() == false
+  requests shall be thwarted
+DRLL Dispatching 04.08 message, pdisc=3
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x03 msg_type=0x05
+DRLL Dispatching 04.08 message, pdisc=5
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x05 msg_type=0x33
+DRLL Dispatching 04.08 message, pdisc=6
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x06 msg_type=0x19
+DRLL Dispatching 04.08 message, pdisc=9
+DRLL subscr MSISDN:42342: Message not permitted for initial conn: pdisc=0x09 msg_type=0x01
+- MS sends Authen Response, VLR accepts and sends pending SMS
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF MSISDN:42342: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM MSISDN:42342: MM R99 AUTHENTICATION RESPONSE (res = 706f996719ba609c)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(MSISDN:42342) received res: 70 6f 99 67 19 ba 60 9c 
+DVLR SUBSCR(MSISDN:42342) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent Process_Access_Request_VLR(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: Received Event PR_ARQ_E_AUTH_RES
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: got VLR_AUTH_RES_PASSED
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_ciph()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: proc_arq_fsm_done(VLR_PR_ARQ_RES_PASSED)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_WAIT_AUTH}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Process Access Request result: VLR_PR_ARQ_RES_PASSED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_PAGING_RESP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DREF BSC subscr IMSI:901700000010650 usage decreases to: 0
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+DREF MSISDN:42342: MSC conn use + 1 == 3
+- DTAP --> MS: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  dtap_tx_confirmed == 1
+  paging_stopped == 1
+- SMS was delivered, no requests pending for subscr
+DREF VLR subscr MSISDN:42342 usage increases to: 5
+  llist_count(&vsub->cs.requests) == 0
+DREF VLR subscr MSISDN:42342 usage decreases to: 4
+- conn is still open to wait for SMS ack dance
+  llist_count(&net->subscr_conns) == 1
+- MS replies with CP-ACK for received SMS
+  rx from MS: pdisc=0x89 msg_type=0x04
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_COMMUNICATING
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DREF MSISDN:42342: MSC conn use - 1 == 2
+  llist_count(&net->subscr_conns) == 1
+- MS also sends RP-ACK, MSC in turn sends CP-ACK for that
+  rx from MS: pdisc=0x89 msg_type=0x01
+DREF MSISDN:42342: MSC conn use + 1 == 3
+DRLL Dispatching 04.08 message, pdisc=9
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_COMMUNICATING
+- DTAP --> MS: 0904
+- DTAP matches expected message
+DREF VLR subscr MSISDN:42342 usage decreases to: 3
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DREF MSISDN:42342: MSC conn use - 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_COMMUNICATING}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Freeing instance
+DVLR Process_Access_Request_VLR(901700000010650){PR_ARQ_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 1
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+  dtap_tx_confirmed == 1
+- SMS is done, conn is gone
+  llist_count(&net->subscr_conns) == 0
+---
+- subscriber detaches
+  rx from MS: pdisc=0x05 msg_type=0x01
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI DETACH INDICATION: MI(IMSI)=901700000010650
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DMM IMSI DETACH for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+DREF VLR subscr MSISDN:42342 usage decreases to: 0
+DREF freeing VLR subscr MSISDN:42342
+DMM msc_subscr_conn_close(vsub=unknown, cause=0): no conn fsm, releasing directly without release event.
+DMM No conn_fsm, release conn
+DMM compl_l3: Discarding conn
+DRLL Freeing subscriber connection with NULL subscriber
+  llist_count(&net->subscr_conns) == 0
+===== test_umts_authen_utran: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_umts_authen_resync_geran
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000010650 type=NORMAL
+DMM LU/new-LAC: 0/0
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: rev=R99 net=GERAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000000156f00362201039fa2f4e3d523d8619a73b4f65c3e14d21049b36efdf2208059a4f668f6fbe39231027497388b6cb044648f396aa155b95ef2410f64735036e5871319c679f4742a75ea125108704f5ba55f30000d2ee44b22c8ea9192708e229c19e791f2e41
+DVLR GSUP rx 111: 0a010809710000000156f00362201039fa2f4e3d523d8619a73b4f65c3e14d21049b36efdf2208059a4f668f6fbe39231027497388b6cb044648f396aa155b95ef2410f64735036e5871319c679f4742a75ea125108704f5ba55f30000d2ee44b22c8ea9192708e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=39fa2f4e3d523d8619a73b4f65c3e14d
+- ...autn=8704f5ba55f30000d2ee44b22c8ea919
+- ...expecting res=e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Failure with Resync cause, VLR sends GSUP to HLR to resync
+  rx from MS: pdisc=0x05 msg_type=0x1c
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION SYNCH (AUTS = 979498b1f72d3e28c59fa2e72f9c)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_FAIL
+DVLR GSUP tx: 08010809710000000156f0260e979498b1f72d3e28c59fa2e72f9c201039fa2f4e3d523d8619a73b4f65c3e14d
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0260e979498b1f72d3e28c59fa2e72f9c201039fa2f4e3d523d8619a73b4f65c3e14d
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  gsup_tx_confirmed == 1
+  auth_request_sent == 0
+  lu_result_sent == 0
+- HLR replies with new tuples
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000000156f0036220100f1feb1623e1bf626334e37ec448ac182104efde99da220814778c855c52373023108a90c769b7272f3bb7a1c1fbb1ea9349241043ffc1cf8c89a7fd6ab94bd8d6162cbf251002a83f62e9470000660d51afc75f169d27081df5f0b4f22b696e03622010ac21d34937b4e1142a2c757af294931921047818bfdc2208d175571f41f314a42310ff8edbceb6dd24799c77c3b9a6790c102410157c39022ca9d885a7f0766a7dfee44825108a43b91898e500002cf354c6f5d1f8c32708f748a7078f5018db
+DVLR GSUP rx 211: 0a010809710000000156f0036220100f1feb1623e1bf626334e37ec448ac182104efde99da220814778c855c52373023108a90c769b7272f3bb7a1c1fbb1ea9349241043ffc1cf8c89a7fd6ab94bd8d6162cbf251002a83f62e9470000660d51afc75f169d27081df5f0b4f22b696e03622010ac21d34937b4e1142a2c757af294931921047818bfdc2208d175571f41f314a42310ff8edbceb6dd24799c77c3b9a6790c102410157c39022ca9d885a7f0766a7dfee44825108a43b91898e500002cf354c6f5d1f8c32708f748a7078f5018db
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 2 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC}: state_chg to VLR_SUB_AS_WAIT_RESP_RESYNC
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=0f1feb1623e1bf626334e37ec448ac18
+- ...autn=02a83f62e9470000660d51afc75f169d
+- ...expecting res=1df5f0b4f22b696e
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION RESPONSE (res = 1df5f0b4f22b696e)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000010650) received res: 1d f5 f0 b4 f2 2b 69 6e 
+DVLR SUBSCR(IMSI:901700000010650) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f0
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804032443f2
+DVLR GSUP rx 17: 10010809710000000156f00804032443f2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR IMSI:901700000010650 has MSISDN:42342
+DVLR GSUP tx: 12010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f0
+DVLR GSUP rx 11: 06010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:42342
+===== test_umts_authen_resync_geran: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+===== test_umts_authen_resync_utran
+- Location Update request causes a GSUP Send Auth Info request to HLR
+  rx from MS: pdisc=0x05 msg_type=0x08
+  new conn
+DREF unknown: MSC conn use + 1 == 1
+DRLL Dispatching 04.08 message, pdisc=5
+DREF unknown: MSC conn use + 1 == 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Allocated
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
+DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000010650 type=NORMAL
+DMM LU/new-LAC: 0/0
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: rev=R99 net=UTRAN Auth (no Ciph)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown usage increases to: 1
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Allocated
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
+DVLR GSUP tx: 08010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+DMM compl_l3: Keeping conn
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000000156f00362201039fa2f4e3d523d8619a73b4f65c3e14d21049b36efdf2208059a4f668f6fbe39231027497388b6cb044648f396aa155b95ef2410f64735036e5871319c679f4742a75ea125108704f5ba55f30000d2ee44b22c8ea9192708e229c19e791f2e41
+DVLR GSUP rx 111: 0a010809710000000156f00362201039fa2f4e3d523d8619a73b4f65c3e14d21049b36efdf2208059a4f668f6fbe39231027497388b6cb044648f396aa155b95ef2410f64735036e5871319c679f4742a75ea125108704f5ba55f30000d2ee44b22c8ea9192708e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 1 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=39fa2f4e3d523d8619a73b4f65c3e14d
+- ...autn=8704f5ba55f30000d2ee44b22c8ea919
+- ...expecting res=e229c19e791f2e41
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Failure with Resync cause, VLR sends GSUP to HLR to resync
+  rx from MS: pdisc=0x05 msg_type=0x1c
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION SYNCH (AUTS = 979498b1f72d3e28c59fa2e72f9c)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_FAIL
+DVLR GSUP tx: 08010809710000000156f0260e979498b1f72d3e28c59fa2e72f9c201039fa2f4e3d523d8619a73b4f65c3e14d
+GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000000156f0260e979498b1f72d3e28c59fa2e72f9c201039fa2f4e3d523d8619a73b4f65c3e14d
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  gsup_tx_confirmed == 1
+  auth_request_sent == 0
+  lu_result_sent == 0
+- HLR replies with new tuples
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000000156f0036220100f1feb1623e1bf626334e37ec448ac182104efde99da220814778c855c52373023108a90c769b7272f3bb7a1c1fbb1ea9349241043ffc1cf8c89a7fd6ab94bd8d6162cbf251002a83f62e9470000660d51afc75f169d27081df5f0b4f22b696e03622010ac21d34937b4e1142a2c757af294931921047818bfdc2208d175571f41f314a42310ff8edbceb6dd24799c77c3b9a6790c102410157c39022ca9d885a7f0766a7dfee44825108a43b91898e500002cf354c6f5d1f8c32708f748a7078f5018db
+DVLR GSUP rx 211: 0a010809710000000156f0036220100f1feb1623e1bf626334e37ec448ac182104efde99da220814778c855c52373023108a90c769b7272f3bb7a1c1fbb1ea9349241043ffc1cf8c89a7fd6ab94bd8d6162cbf251002a83f62e9470000660d51afc75f169d27081df5f0b4f22b696e03622010ac21d34937b4e1142a2c757af294931921047818bfdc2208d175571f41f314a42310ff8edbceb6dd24799c77c3b9a6790c102410157c39022ca9d885a7f0766a7dfee44825108a43b91898e500002cf354c6f5d1f8c32708f748a7078f5018db
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC}: Received Event VLR_AUTH_E_HLR_SAI_ACK
+DVLR SUBSCR(IMSI:901700000010650) Received 2 auth tuples
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_NEEDS_AUTH_WAIT_SAI_RESYNC}: state_chg to VLR_SUB_AS_WAIT_RESP_RESYNC
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: got auth tuple: use_count=1 key_seq=0
+- sending UMTS Auth Request for IMSI:901700000010650: tuple use_count=1 key_seq=0 auth_types=0x3 and...
+- ...rand=0f1feb1623e1bf626334e37ec448ac18
+- ...autn=02a83f62e9470000660d51afc75f169d
+- ...expecting res=1df5f0b4f22b696e
+DREF VLR subscr IMSI:901700000010650 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
+  auth_request_sent == 1
+  lu_result_sent == 0
+- MS sends Authen Response, VLR accepts and sends GSUP LU Req to HLR
+  rx from MS: pdisc=0x05 msg_type=0x54
+DREF IMSI:901700000010650: MSC conn use + 1 == 2
+DRLL Dispatching 04.08 message, pdisc=5
+DMM IMSI:901700000010650: MM R99 AUTHENTICATION RESPONSE (res = 1df5f0b4f22b696e)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: Received Event VLR_AUTH_E_MS_AUTH_RESP
+DVLR SUBSCR(IMSI:901700000010650) received res: 1d f5 f0 b4 f2 2b 69 6e 
+DVLR SUBSCR(IMSI:901700000010650) AUTH established UMTS security context
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: Authentication terminating with result VLR_AUTH_RES_PASSED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_WAIT_RESP_RESYNC}: state_chg to VLR_SUB_AS_AUTHENTICATED
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
+DVLR VLR_Authenticate(901700000010650){VLR_SUB_AS_AUTHENTICATED}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+DVLR GSUP tx: 04010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f0
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF IMSI:901700000010650: MSC conn use - 1 == 1
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804032443f2
+DVLR GSUP rx 17: 10010809710000000156f00804032443f2
+DREF VLR subscr IMSI:901700000010650 usage increases to: 2
+DVLR IMSI:901700000010650 has MSISDN:42342
+DVLR GSUP tx: 12010809710000000156f0
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f0
+DVLR GSUP rx 11: 06010809710000000156f0
+DREF VLR subscr MSISDN:42342 usage increases to: 2
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Freeing instance
+DVLR upd_hlr_vlr_fsm(901700000010650){UPD_HLR_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Allocated
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: is child of lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: Received Event SUB_PRES_VLR_E_START
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_INIT}: state_chg to SUB_PRES_VLR_S_DONE
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Removing from parent lu_compl_vlr_fsm(901700000010650)
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Freeing instance
+DVLR sub_pres_vlr_fsm(901700000010650){SUB_PRES_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for MSISDN:42342
+DREF VLR subscr MSISDN:42342 usage increases to: 3
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(901700000010650)
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Freeing instance
+DVLR lu_compl_vlr_fsm(901700000010650){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_ACCEPTED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: Received Event SUBSCR_CONN_E_BUMP
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_ACCEPTED}: state_chg to SUBSCR_CONN_S_RELEASED
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000010650)
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Freeing instance
+DVLR vlr_lu_fsm(901700000010650){VLR_ULA_S_DONE}: Deallocated
+DMM msc_subscr_conn_close(vsub=MSISDN:42342, cause=2): no conn fsm, releasing directly without release event.
+DREF MSISDN:42342: MSC conn use - 1 == 0
+DRLL subscr MSISDN:42342: Freeing subscriber connection
+DREF VLR subscr MSISDN:42342 usage decreases to: 2
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Freeing instance
+DVLR Subscr_Conn(901700000010650){SUBSCR_CONN_S_RELEASED}: Deallocated
+DREF VLR subscr MSISDN:42342 usage decreases to: 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  llist_count(&net->subscr_conns) == 0
+DREF freeing VLR subscr MSISDN:42342
+===== test_umts_authen_resync_utran: SUCCESS
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 75
+
+full talloc report on 'msgb' (total      0 bytes in   1 blocks)
+talloc_total_blocks(tall_bsc_ctx) == 9
+
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.ok b/tests/msc_vlr/msc_vlr_test_umts_authen.ok
new file mode 100644
index 0000000..a965a70
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.ok
@@ -0,0 +1 @@
+Done
diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
new file mode 100644
index 0000000..8f04593
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -0,0 +1,689 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <getopt.h>
+#include <stdlib.h>
+
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/application.h>
+#include <osmocom/gsm/protocol/gsm_04_11.h>
+#include <osmocom/gsm/gsup.h>
+#include <openbsc/gsup_client.h>
+#include <openbsc/gsm_04_11.h>
+#include <openbsc/bsc_subscriber.h>
+#include <openbsc/debug.h>
+
+#include "msc_vlr_tests.h"
+
+bool _log_lines = false;
+
+struct gsm_network *net = NULL;
+
+struct gsm_bts *the_bts;
+
+const char *gsup_tx_expected = NULL;
+bool gsup_tx_confirmed;
+
+struct msgb *dtap_tx_expected = NULL;
+bool dtap_tx_confirmed;
+
+enum result_sent lu_result_sent;
+enum result_sent cm_service_result_sent;
+bool auth_request_sent;
+const char *auth_request_expect_rand;
+const char *auth_request_expect_autn;
+bool cipher_mode_cmd_sent;
+bool cipher_mode_cmd_sent_with_imeisv;
+
+struct msgb *msgb_from_hex(const char *label, uint16_t size, const char *hex)
+{
+	struct msgb *msg = msgb_alloc(size, label);
+	unsigned char *rc;
+	msg->l2h = msg->head;
+	rc = msgb_put(msg, osmo_hexparse(hex, msg->head, msgb_tailroom(msg)));
+	OSMO_ASSERT(rc == msg->l2h);
+	return msg;
+}
+
+void dtap_expect_tx(const char *hex)
+{
+	OSMO_ASSERT(!dtap_tx_expected);
+	if (!hex)
+		return;
+	dtap_tx_expected = msgb_from_hex("dtap_tx_expected", 1024, hex);
+	dtap_tx_confirmed = false;
+}
+
+void dtap_expect_tx_ussd(char *ussd_text)
+{
+	uint8_t ussd_enc[128];
+	int len;
+	/* header */
+	char ussd_msg_hex[128] = "8b2a1c27a225020100302002013b301b04010f0416";
+
+	log("expecting USSD:\n  %s", ussd_text);
+	/* append encoded USSD text */
+	gsm_7bit_encode_n_ussd(ussd_enc, sizeof(ussd_enc), ussd_text,
+			       &len);
+	strncat(ussd_msg_hex, osmo_hexdump_nospc(ussd_enc, len),
+		sizeof(ussd_msg_hex) - strlen(ussd_msg_hex));
+	dtap_expect_tx(ussd_msg_hex);
+}
+
+int vlr_gsupc_read_cb(struct gsup_client *gsupc, struct msgb *msg);
+
+void gsup_rx(const char *rx_hex, const char *expect_tx_hex)
+{
+	int rc;
+	struct msgb *msg;
+	const char *label;
+
+	gsup_expect_tx(expect_tx_hex);
+
+	msg = msgb_from_hex("gsup", 1024, rx_hex);
+	label = osmo_gsup_message_type_name(msg->l2h[0]);
+	fprintf(stderr, "<-- GSUP rx %s: %s\n", label,
+		osmo_hexdump_nospc(msgb_l2(msg), msgb_l2len(msg)));
+	rc = vlr_gsupc_read_cb(net->vlr->gsup_client, msg);
+	fprintf(stderr, "<-- GSUP rx %s: vlr_gsupc_read_cb() returns %d\n",
+		label, rc);
+	if (expect_tx_hex)
+		OSMO_ASSERT(gsup_tx_confirmed);
+	talloc_free(msg);
+}
+
+bool conn_exists(struct gsm_subscriber_connection *conn)
+{
+	struct gsm_subscriber_connection *c;
+	llist_for_each_entry(c, &net->subscr_conns, entry) {
+		if (c == conn)
+			return true;
+	}
+	return false;
+}
+
+enum ran_type rx_from_ran = RAN_GERAN_A;
+
+struct gsm_subscriber_connection *conn_new(void)
+{
+	struct gsm_subscriber_connection *conn;
+	conn = msc_subscr_con_allocate(net);
+	conn->bts = the_bts;
+	conn->via_ran = rx_from_ran;
+	return conn;
+}
+
+struct gsm_subscriber_connection *g_conn = NULL;
+
+void rx_from_ms(struct msgb *msg)
+{
+	int rc;
+
+	struct gsm48_hdr *gh = msgb_l3(msg);
+	log("rx from MS: pdisc=0x%02x msg_type=0x%02x",
+	    gh->proto_discr, gh->msg_type);
+
+	if (g_conn && !conn_exists(g_conn))
+		g_conn = NULL;
+
+	if (!g_conn) {
+		log("new conn");
+		g_conn = conn_new();
+		rc = net->bsc_api->compl_l3(g_conn, msg, 23);
+		if (rc == BSC_API_CONN_POL_REJECT) {
+			msc_subscr_con_free(g_conn);
+			g_conn = NULL;
+		}
+	} else {
+		if ((gsm48_hdr_pdisc(gh) == GSM48_PDISC_RR)
+		    && (gsm48_hdr_msg_type(gh) == GSM48_MT_RR_CIPH_M_COMPL))
+			net->bsc_api->cipher_mode_compl(g_conn, msg, 0);
+		else
+			net->bsc_api->dtap(g_conn, 23, msg);
+	}
+
+	if (g_conn && !conn_exists(g_conn))
+		g_conn = NULL;
+}
+
+void ms_sends_msg(const char *hex)
+{
+	struct msgb *msg;
+
+	msg = msgb_from_hex("ms_sends_msg", 1024, hex);
+	msg->l1h = msg->l2h = msg->l3h = msg->data;
+	rx_from_ms(msg);
+	talloc_free(msg);
+}
+
+int ms_sends_msg_fake(uint8_t pdisc, uint8_t msg_type)
+{
+	int rc;
+	struct msgb *msg;
+	struct gsm48_hdr *gh;
+
+	msg = msgb_alloc(1024, "ms_sends_msg_fake");
+	msg->l1h = msg->l2h = msg->l3h = msg->data;
+
+	gh = (struct gsm48_hdr*)msgb_put(msg, sizeof(*gh));
+	gh->proto_discr = pdisc;
+	gh->msg_type = msg_type;
+	/* some amount of data, whatever */
+	msgb_put(msg, 123);
+
+	rc = gsm0408_dispatch(g_conn, msg);
+
+	talloc_free(msg);
+	return rc;
+}
+
+void thwart_rx_non_initial_requests()
+{
+	log("requests shall be thwarted");
+	OSMO_ASSERT(ms_sends_msg_fake(GSM48_PDISC_CC, GSM48_MT_CC_SETUP) == -EACCES);
+	OSMO_ASSERT(ms_sends_msg_fake(GSM48_PDISC_MM, 0x33 /* nonexistent */) == -EACCES);
+	OSMO_ASSERT(ms_sends_msg_fake(GSM48_PDISC_RR, GSM48_MT_RR_SYSINFO_1) == -EACCES);
+	OSMO_ASSERT(ms_sends_msg_fake(GSM48_PDISC_SMS, GSM411_MT_CP_DATA) == -EACCES);
+}
+
+void send_sms(struct vlr_subscr *receiver,
+	      struct vlr_subscr *sender,
+	      char *str)
+{
+	struct gsm_sms *sms = sms_from_text(receiver, sender, 0, str);
+	gsm411_send_sms_subscr(receiver, sms);
+}
+
+unsigned char next_rand_byte = 0;
+/* override, requires '-Wl,--wrap=RAND_bytes' */
+int __real_RAND_bytes(unsigned char *buf, int num);
+int __wrap_RAND_bytes(unsigned char *buf, int num)
+{
+	int i;
+	for (i = 0; i < num; i++)
+		buf[i] = next_rand_byte++;
+	return 1;
+}
+
+/* override, requires '-Wl,--wrap=gsm340_gen_scts' */
+void __real_gsm340_gen_scts(uint8_t *scts, time_t time);
+void __wrap_gsm340_gen_scts(uint8_t *scts, time_t time)
+{
+	/* Remove the time to encode for deterministic test results */
+	__real_gsm340_gen_scts(scts, 0);
+}
+
+const char *paging_expecting_imsi = NULL;
+uint32_t paging_expecting_tmsi;
+bool paging_sent;
+bool paging_stopped;
+
+void paging_expect_imsi(const char *imsi)
+{
+	paging_expecting_imsi = imsi;
+	paging_expecting_tmsi = GSM_RESERVED_TMSI;
+}
+
+void paging_expect_tmsi(uint32_t tmsi)
+{
+	paging_expecting_tmsi = tmsi;
+	paging_expecting_imsi = NULL;
+}
+
+/* override, requires '-Wl,--wrap=paging_request' */
+int __real_paging_request(struct gsm_network *network, struct bsc_subscr *sub,
+			  int type, gsm_cbfn *cbfn, void *data);
+int __wrap_paging_request(struct gsm_network *network, struct bsc_subscr *sub,
+			  int type, gsm_cbfn *cbfn, void *data)
+{
+	log("BTS/BSC sends out paging request to %s for channel type %d",
+	    bsc_subscr_name(sub), type);
+	OSMO_ASSERT(paging_expecting_imsi || (paging_expecting_tmsi != GSM_RESERVED_TMSI));
+	if (paging_expecting_imsi)
+		VERBOSE_ASSERT(strcmp(paging_expecting_imsi, sub->imsi), == 0, "%d");
+	if (paging_expecting_tmsi != GSM_RESERVED_TMSI)
+		VERBOSE_ASSERT(paging_expecting_tmsi, == sub->tmsi, "0x%08x");
+	paging_sent = true;
+	paging_stopped = false;
+	return 1;
+}
+
+/* override, requires '-Wl,--wrap=paging_request_stop' */
+void __real_paging_request_stop(struct gsm_bts *_bts,
+				struct vlr_subscr *vsub,
+				struct gsm_subscriber_connection *conn,
+				struct msgb *msg);
+void __wrap_paging_request_stop(struct gsm_bts *_bts,
+				struct vlr_subscr *vsub,
+				struct gsm_subscriber_connection *conn,
+				struct msgb *msg)
+{
+	paging_stopped = true;
+}
+
+void clear_vlr()
+{
+	struct vlr_subscr *vsub, *n;
+	llist_for_each_entry_safe(vsub, n, &net->vlr->subscribers, list) {
+		vlr_subscr_free(vsub);
+	}
+
+	net->authentication_required = false;
+	net->a5_encryption = VLR_CIPH_NONE;
+	net->vlr->cfg.check_imei_rqd = false;
+	net->vlr->cfg.assign_tmsi = false;
+	net->vlr->cfg.retrieve_imeisv = false;
+
+	rx_from_ran = RAN_GERAN_A;
+	auth_request_sent = false;
+	auth_request_expect_rand = NULL;
+	auth_request_expect_autn = NULL;
+
+	next_rand_byte = 0;
+
+	osmo_gettimeofday_override = false;
+}
+
+static struct log_info_cat test_categories[] = {
+	[DMSC] = {
+		.name = "DMSC",
+		.description = "Mobile Switching Center",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DRLL] = {
+		.name = "DRLL",
+		.description = "A-bis Radio Link Layer (RLL)",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DMM] = {
+		.name = "DMM",
+		.description = "Layer3 Mobility Management (MM)",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DRR] = {
+		.name = "DRR",
+		.description = "Layer3 Radio Resource (RR)",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DCC] = {
+		.name = "DCC",
+		.description = "Layer3 Call Control (CC)",
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
+	[DMM] = {
+		.name = "DMM",
+		.description = "Layer3 Mobility Management (MM)",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DVLR] = {
+		.name = "DVLR",
+		.description = "Visitor Location Register",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+	[DREF] = {
+		.name = "DREF",
+		.description = "Reference Counting",
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+};
+
+static struct log_info info = {
+	.cat = test_categories,
+	.num_cat = ARRAY_SIZE(test_categories),
+};
+
+extern void *tall_bsc_ctx;
+
+int fake_mncc_recv(struct gsm_network *net, struct msgb *msg)
+{
+	fprintf(stderr, "rx MNCC\n");
+	return 0;
+}
+
+/* override, requires '-Wl,--wrap=gsup_client_create' */
+struct gsup_client *
+__real_gsup_client_create(const char *ip_addr, unsigned int tcp_port,
+			  gsup_client_read_cb_t read_cb,
+			  struct oap_client_config *oap_config);
+struct gsup_client *
+__wrap_gsup_client_create(const char *ip_addr, unsigned int tcp_port,
+			  gsup_client_read_cb_t read_cb,
+			  struct oap_client_config *oap_config)
+{
+	struct gsup_client *gsupc;
+	gsupc = talloc_zero(tall_bsc_ctx, struct gsup_client);
+	OSMO_ASSERT(gsupc);
+	return gsupc;
+}
+
+/* override, requires '-Wl,--wrap=gsup_client_send' */
+int __real_gsup_client_send(struct gsup_client *gsupc, struct msgb *msg);
+int __wrap_gsup_client_send(struct gsup_client *gsupc, struct msgb *msg)
+{
+	const char *is = osmo_hexdump_nospc(msg->data, msg->len);
+	fprintf(stderr, "GSUP --> HLR: %s: %s\n",
+		osmo_gsup_message_type_name(msg->data[0]), is);
+
+	OSMO_ASSERT(gsup_tx_expected);
+	if (strcmp(gsup_tx_expected, is)) {
+		fprintf(stderr, "Mismatch! Expected:\n%s\n", gsup_tx_expected);
+		abort();
+	}
+
+	talloc_free(msg);
+	gsup_tx_confirmed = true;
+	gsup_tx_expected = NULL;
+	return 0;
+}
+
+/* override, requires '-Wl,--wrap=gsm0808_submit_dtap' */
+int __real_gsm0808_submit_dtap(struct gsm_subscriber_connection *conn,
+			       struct msgb *msg, int link_id, int allow_sacch);
+int __wrap_gsm0808_submit_dtap(struct gsm_subscriber_connection *conn,
+			       struct msgb *msg, int link_id, int allow_sacch)
+{
+	btw("DTAP --> MS: %s", osmo_hexdump_nospc(msg->data, msg->len));
+
+	OSMO_ASSERT(dtap_tx_expected);
+	if (msg->len != dtap_tx_expected->len
+	    || memcmp(msg->data, dtap_tx_expected->data, msg->len)) {
+		fprintf(stderr, "Mismatch! Expected:\n%s\n",
+		       osmo_hexdump_nospc(dtap_tx_expected->data,
+					  dtap_tx_expected->len));
+		abort();
+	}
+
+	btw("DTAP matches expected message");
+
+	talloc_free(msg);
+	dtap_tx_confirmed = true;
+	talloc_free(dtap_tx_expected);
+	dtap_tx_expected = NULL;
+	return 0;
+}
+
+static int fake_vlr_tx_lu_acc(void *msc_conn_ref, uint32_t send_tmsi)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	if (send_tmsi == GSM_RESERVED_TMSI)
+		btw("sending LU Accept for %s", vlr_subscr_name(conn->vsub));
+	else
+		btw("sending LU Accept for %s, with TMSI 0x%08x",
+		    vlr_subscr_name(conn->vsub), send_tmsi);
+	lu_result_sent |= RES_ACCEPT;
+	return 0;
+}
+
+static int fake_vlr_tx_lu_rej(void *msc_conn_ref, uint8_t cause)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	btw("sending LU Reject for %s, cause %u", vlr_subscr_name(conn->vsub), cause);
+	lu_result_sent |= RES_REJECT;
+	return 0;
+}
+
+static int fake_vlr_tx_cm_serv_acc(void *msc_conn_ref)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	btw("sending CM Service Accept for %s", vlr_subscr_name(conn->vsub));
+	cm_service_result_sent |= RES_ACCEPT;
+	return 0;
+}
+
+static int fake_vlr_tx_cm_serv_rej(void *msc_conn_ref,
+				   enum vlr_proc_arq_result result)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	btw("sending CM Service Reject for %s, result %s",
+	    vlr_subscr_name(conn->vsub),
+	    vlr_proc_arq_result_name(result));
+	cm_service_result_sent |= RES_REJECT;
+	return 0;
+}
+
+static int fake_vlr_tx_auth_req(void *msc_conn_ref, struct gsm_auth_tuple *at,
+				bool send_autn)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	char *hex;
+	bool ok = true;
+	btw("sending %s Auth Request for %s: tuple use_count=%d key_seq=%d auth_types=0x%x and...",
+	    send_autn? "UMTS" : "GSM", vlr_subscr_name(conn->vsub),
+	    at->use_count, at->key_seq, at->vec.auth_types);
+
+	hex = osmo_hexdump_nospc((void*)&at->vec.rand, sizeof(at->vec.rand));
+	btw("...rand=%s", hex);
+	if (!auth_request_expect_rand
+	    || strcmp(hex, auth_request_expect_rand) != 0) {
+		ok = false;
+		log("FAILURE: expected rand=%s",
+		    auth_request_expect_rand ? auth_request_expect_rand : "-");
+	}
+
+	if (send_autn) {
+		hex = osmo_hexdump_nospc((void*)&at->vec.autn, sizeof(at->vec.autn));
+		btw("...autn=%s", hex);
+		if (!auth_request_expect_autn
+		    || strcmp(hex, auth_request_expect_autn) != 0) {
+			ok = false;
+			log("FAILURE: expected autn=%s",
+			    auth_request_expect_autn ? auth_request_expect_autn : "-");
+		}
+	} else if (auth_request_expect_autn) {
+		ok = false;
+		log("FAILURE: no AUTN sent, expected AUTN = %s",
+		    auth_request_expect_autn);
+	}
+
+	if (send_autn)
+		btw("...expecting res=%s",
+		    osmo_hexdump_nospc((void*)&at->vec.res, at->vec.res_len));
+	else
+		btw("...expecting sres=%s",
+		    osmo_hexdump_nospc((void*)&at->vec.sres, sizeof(at->vec.sres)));
+
+	auth_request_sent = ok;
+	return 0;
+}
+
+static int fake_vlr_tx_auth_rej(void *msc_conn_ref)
+{
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	btw("sending Auth Reject for %s", vlr_subscr_name(conn->vsub));
+	return 0;
+}
+
+static int fake_vlr_tx_ciph_mode_cmd(void *msc_conn_ref, enum vlr_ciph ciph,
+				     bool retrieve_imeisv)
+{
+	/* FIXME: we actually would like to see the message bytes checked here,
+	 * not possible while msc_vlr_set_ciph_mode() calls
+	 * gsm0808_cipher_mode() directly. When the MSCSPLIT is ready, check
+	 * the tx bytes in the sense of dtap_expect_tx() above. */
+	struct gsm_subscriber_connection *conn = msc_conn_ref;
+	btw("sending Ciphering Mode Command for %s: cipher=%s kc=%s"
+	    " retrieve_imeisv=%d",
+	    vlr_subscr_name(conn->vsub),
+	    vlr_ciph_name(conn->network->a5_encryption),
+	    osmo_hexdump_nospc(conn->vsub->last_tuple->vec.kc, 8),
+	    retrieve_imeisv);
+	cipher_mode_cmd_sent = true;
+	cipher_mode_cmd_sent_with_imeisv = retrieve_imeisv;
+	return 0;
+}
+
+const struct timeval fake_time_start_time = { 123, 456 };
+
+void fake_time_start()
+{
+	osmo_gettimeofday_override_time = fake_time_start_time;
+	osmo_gettimeofday_override = true;
+	fake_time_passes(0, 0);
+}
+
+void check_talloc(void *msgb_ctx, void *tall_bsc_ctx, int expected_blocks)
+{
+	talloc_report_full(msgb_ctx, stderr);
+	fprintf(stderr, "talloc_total_blocks(tall_bsc_ctx) == %zu\n",
+		talloc_total_blocks(tall_bsc_ctx));
+	if (talloc_total_blocks(tall_bsc_ctx) != expected_blocks)
+		talloc_report_full(tall_bsc_ctx, stderr);
+	fprintf(stderr, "\n");
+}
+
+static struct {
+	bool verbose;
+	int run_test_nr;
+} cmdline_opts = {
+	.verbose = false,
+	.run_test_nr = -1,
+};
+
+static void print_help(const char *program)
+{
+	printf("Usage:\n"
+	       "  %s [-v] [N [N...]]\n"
+	       "Options:\n"
+	       "  -h --help      show this text.\n"
+	       "  -v --verbose   print source file and line numbers\n"
+	       "  N              run only the Nth test (first test is N=1)\n",
+	       program
+	       );
+}
+
+static void handle_options(int argc, char **argv)
+{
+	while (1) {
+		int option_index = 0, c;
+		static struct option long_options[] = {
+			{"help", 0, 0, 'h'},
+			{"verbose", 1, 0, 'v'},
+			{0, 0, 0, 0}
+		};
+
+		c = getopt_long(argc, argv, "hv",
+				long_options, &option_index);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'h':
+			print_help(argv[0]);
+			exit(0);
+		case 'v':
+			cmdline_opts.verbose = true;
+			break;
+		default:
+			/* catch unknown options *as well as* missing arguments. */
+			fprintf(stderr, "Error in command line options. Exiting.\n");
+			exit(-1);
+			break;
+		}
+	}
+}
+
+void *msgb_ctx = NULL;
+
+void run_tests(int nr)
+{
+	int test_nr;
+	nr --; /* arg's first test is 1, in here it's 0 */
+	for (test_nr = 0; msc_vlr_tests[test_nr]; test_nr ++) {
+		if (nr >= 0 && test_nr != nr)
+			continue;
+
+		if (cmdline_opts.verbose)
+			fprintf(stderr, "(test nr %d)\n", test_nr + 1);
+
+		msc_vlr_tests[test_nr]();
+
+		if (cmdline_opts.verbose)
+			fprintf(stderr, "(test nr %d)\n", test_nr + 1);
+
+		check_talloc(msgb_ctx, tall_bsc_ctx, 75);
+	} while(0);
+}
+
+int main(int argc, char **argv)
+{
+	handle_options(argc, argv);
+
+	tall_bsc_ctx = talloc_named_const(NULL, 0, "subscr_conn_test_ctx");
+	msgb_ctx = msgb_talloc_ctx_init(tall_bsc_ctx, 0);
+	osmo_init_logging(&info);
+
+	_log_lines = cmdline_opts.verbose;
+
+	OSMO_ASSERT(osmo_stderr_target);
+	log_set_use_color(osmo_stderr_target, 0);
+	log_set_print_timestamp(osmo_stderr_target, 0);
+	log_set_print_filename(osmo_stderr_target, _log_lines? 1 : 0);
+	log_set_print_category(osmo_stderr_target, 1);
+
+	net = gsm_network_init(tall_bsc_ctx, 1, 1, fake_mncc_recv);
+	bsc_api_init(net, msc_bsc_api());
+	the_bts = gsm_bts_alloc(net);
+	net->gsup_server_addr_str = talloc_strdup(net, "no_gsup_server");
+	net->gsup_server_port = 0;
+
+	osmo_fsm_log_addr(false);
+	OSMO_ASSERT(msc_vlr_alloc(net) == 0);
+	OSMO_ASSERT(msc_vlr_start(net) == 0);
+	OSMO_ASSERT(net->vlr);
+	OSMO_ASSERT(net->vlr->gsup_client);
+	msc_subscr_conn_init();
+
+	net->vlr->ops.tx_lu_acc = fake_vlr_tx_lu_acc;
+	net->vlr->ops.tx_lu_rej = fake_vlr_tx_lu_rej;
+	net->vlr->ops.tx_cm_serv_acc = fake_vlr_tx_cm_serv_acc;
+	net->vlr->ops.tx_cm_serv_rej = fake_vlr_tx_cm_serv_rej;
+	net->vlr->ops.tx_auth_req = fake_vlr_tx_auth_req;
+	net->vlr->ops.tx_auth_rej = fake_vlr_tx_auth_rej;
+	net->vlr->ops.set_ciph_mode = fake_vlr_tx_ciph_mode_cmd;
+
+	if (optind >= argc)
+		run_tests(-1);
+	else {
+		int arg;
+		long int nr;
+		for (arg = optind; arg < argc; arg++) {
+			nr = strtol(argv[arg], NULL, 10);
+			if (errno) {
+				fprintf(stderr, "Invalid argument: %s\n",
+					argv[arg]);
+				exit(1);
+			}
+
+			run_tests(nr);
+		}
+	}
+
+	printf("Done\n");
+
+	talloc_free(the_bts);
+
+	check_talloc(msgb_ctx, tall_bsc_ctx, 9);
+	return 0;
+}
diff --git a/tests/msc_vlr/msc_vlr_tests.h b/tests/msc_vlr/msc_vlr_tests.h
new file mode 100644
index 0000000..82ff51a
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_tests.h
@@ -0,0 +1,150 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdio.h>
+
+#include <openbsc/gsm_data.h>
+#include <openbsc/osmo_msc.h>
+#include <openbsc/vlr.h>
+
+extern bool _log_lines;
+#define _log(fmt, args...) do { \
+		if (_log_lines) \
+			fprintf(stderr, " %4d:%s: " fmt "\n", \
+				__LINE__, __FILE__, ## args ); \
+		else \
+			fprintf(stderr, fmt "\n", ## args ); \
+	} while (false)
+
+/* btw means "by the way", the test tells the log what's happening.
+ * BTW() marks a larger section, btw() is the usual logging. */
+#define BTW(fmt, args...) _log("---\n- " fmt, ## args )
+#define btw(fmt, args...) _log("- " fmt, ## args )
+#define log(fmt, args...) _log("  " fmt, ## args )
+
+#define comment_start() fprintf(stderr, "===== %s\n", __func__);
+#define comment_end() fprintf(stderr, "===== %s: SUCCESS\n\n", __func__);
+
+extern struct gsm_subscriber_connection *g_conn;
+extern struct gsm_network *net;
+extern struct gsm_bts *the_bts;
+extern void *msgb_ctx;
+
+extern enum ran_type rx_from_ran;
+
+extern const char *gsup_tx_expected;
+extern bool gsup_tx_confirmed;
+
+extern struct msgb *dtap_tx_expected;
+extern bool dtap_tx_confirmed;
+
+enum result_sent {
+	RES_NONE = 0,
+	RES_ACCEPT = 1,
+	RES_REJECT = 2,
+};
+extern enum result_sent lu_result_sent;
+extern enum result_sent cm_service_result_sent;
+
+extern bool auth_request_sent;
+extern const char *auth_request_expect_rand;
+extern const char *auth_request_expect_autn;
+
+extern bool cipher_mode_cmd_sent;
+extern bool cipher_mode_cmd_sent_with_imeisv;
+
+extern bool paging_sent;
+extern bool paging_stopped;
+
+struct msc_vlr_test_cmdline_opts {
+	bool verbose;
+	int run_test_nr;
+};
+
+typedef void (* msc_vlr_test_func_t )(void);
+extern msc_vlr_test_func_t msc_vlr_tests[];
+
+struct msgb *msgb_from_hex(const char *label, uint16_t size, const char *hex);
+
+void clear_vlr();
+bool conn_exists(struct gsm_subscriber_connection *conn);
+
+void dtap_expect_tx(const char *hex);
+void dtap_expect_tx_ussd(char *ussd_text);
+void paging_expect_imsi(const char *imsi);
+void paging_expect_tmsi(uint32_t tmsi);
+
+void ms_sends_msg(const char *hex);
+void gsup_rx(const char *rx_hex, const char *expect_tx_hex);
+void send_sms(struct vlr_subscr *receiver,
+	      struct vlr_subscr *sender,
+	      char *str);
+
+void thwart_rx_non_initial_requests();
+
+void check_talloc(void *msgb_ctx, void *tall_bsc_ctx, int expected_blocks);
+
+#define EXPECT_ACCEPTED(expect_accepted) do { \
+		if (g_conn) \
+			OSMO_ASSERT(conn_exists(g_conn)); \
+		bool accepted = msc_subscr_conn_is_accepted(g_conn); \
+		fprintf(stderr, "msc_subscr_conn_is_accepted() == %s\n", \
+			accepted ? "true" : "false"); \
+		OSMO_ASSERT(accepted == expect_accepted); \
+	} while (false)
+
+#define VERBOSE_ASSERT(val, expect_op, fmt) \
+	do { \
+		log(#val " == " fmt, (val)); \
+		OSMO_ASSERT((val) expect_op); \
+	} while (0);
+
+#define EXPECT_CONN_COUNT(N) VERBOSE_ASSERT(llist_count(&net->subscr_conns), == N, "%d")
+
+#define gsup_expect_tx(hex) do \
+{ \
+	OSMO_ASSERT(!gsup_tx_expected); \
+	if (!hex) \
+		break; \
+	gsup_tx_expected = hex; \
+	gsup_tx_confirmed = false; \
+} while (0)
+
+void fake_time_start();
+
+/* as macro to get the test file's source line number */
+#define fake_time_passes(secs, usecs) do \
+{ \
+	struct timeval diff; \
+	osmo_gettimeofday_override_add(secs, usecs); \
+	timersub(&osmo_gettimeofday_override_time, &fake_time_start_time, &diff); \
+	btw("Total time passed: %d.%06d s", \
+	    (int)diff.tv_sec, (int)diff.tv_usec); \
+	osmo_timers_prepare(); \
+	osmo_timers_update(); \
+} while (0)
+
+extern const struct timeval fake_time_start_time;