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
+