vlr_sgs: Drop recorded LastEutranPlmnId when UE no longer associated

Change-Id: I0dcb1850ab4f6f7d42bfcb19665ddeae2d3b057a
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
index e55c14c..061955e 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
@@ -27,6 +27,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -615,6 +616,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -682,6 +684,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -1318,6 +1321,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -1385,6 +1389,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -1636,6 +1641,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -1703,6 +1709,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -1919,6 +1926,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -1986,6 +1994,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -2278,6 +2287,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -2345,6 +2355,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -2878,6 +2889,7 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -2945,6 +2957,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -3525,6 +3538,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-42342:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE
@@ -3592,6 +3606,7 @@
 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)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
@@ -4150,6 +4165,7 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + active-conn: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,gsm48_rx_mm_imsi_detach_ind,active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - attached: now used by 2 (gsm48_rx_mm_imsi_detach_ind,active-conn)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - gsm48_rx_mm_imsi_detach_ind: now used by 1 (active-conn)
 DMSC msc_a(IMSI-901700000004620:MSISDN-42342:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_CN_CLOSE