log which DTAP messages are sent to RAN

So far, the logging said only "RAN encode: BSSMAP: DTAP", but not *which* DTAP
message, which is in fact a very interesting detail when reading osmo-msc logs.

Change-Id: I0cb8d1e3307737ffe53730c64bb984adacedb2da
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.err b/tests/msc_vlr/msc_vlr_test_no_authen.err
index d533976..3350431 100644
--- a/tests/msc_vlr/msc_vlr_test_no_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.err
@@ -175,6 +175,7 @@
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
 DMSC dummy_msc_i(IMSI-901700000004620:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
@@ -294,6 +295,7 @@
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Sending DTAP: SMS SMS:0x01
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -330,6 +332,7 @@
 DLSMS SMC(0) received CP-DATA
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Sending DTAP: SMS SMS:0x04
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
@@ -670,6 +673,7 @@
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
 DVLR Process_Access_Request_VLR(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
 DMSC dummy_msc_i(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
@@ -789,6 +793,7 @@
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Sending DTAP: SMS SMS:0x01
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -825,6 +830,7 @@
 DLSMS SMC(0) received CP-DATA
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
 DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 04 
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Sending DTAP: SMS SMS:0x04
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
@@ -1217,6 +1223,7 @@
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051802
 - DTAP matches expected message
@@ -1467,6 +1474,7 @@
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI_TMSI
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051802
 - DTAP matches expected message
@@ -1693,6 +1701,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051803
 - DTAP matches expected message
@@ -1913,6 +1922,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051803
 - DTAP matches expected message
@@ -2144,6 +2154,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051803
 - DTAP matches expected message
@@ -2342,6 +2353,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051803
 - DTAP matches expected message
@@ -2608,6 +2620,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_ID_REQ
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051803
 - DTAP matches expected message