mbms_create_tasks was calling SCTP task again.

This caused the SCTP descriptor to be reset. This
made issues in the X2 interface between gNB and eNB.
Lots of logs added here. Need to fill NR_UE_Capability_Info
properly.

openair2/SIMULATION/NR_RRC/itti_sim.c

@@ -265,7 +265,8 @@ int restart_L1L2(module_id_t gnb_id) {
 }
 
 int create_gNB_tasks(uint32_t gnb_nb) {
-  LOG_D(GNB_APP, "%s(gnb_nb:%d)\n", __FUNCTION__, gnb_nb);
+  AssertFatal(!get_softmodem_params()->nsa, "In NSA mode\n");
+  LOG_I(GNB_APP, "%s(gnb_nb:%d)\n", __FUNCTION__, gnb_nb);
   itti_wait_ready(1);