sgsn: Reduce logging verbosity of IPA/GSUP/NS/BSSGP

Change-Id: I55d1299ceaad1257959b298741a7321faacc4b45
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index a381692..a02d3a9 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -92,9 +92,9 @@
 	float t_guard
 };
 
-private function f_init_gb(inout GbInstance gb) runs on test_CT {
-	gb.vc_NS := NS_CT.create;
-	gb.vc_BSSGP := BSSGP_CT.create;
+private function f_init_gb(inout GbInstance gb, charstring id) runs on test_CT {
+	gb.vc_NS := NS_CT.create(id & "-NS");
+	gb.vc_BSSGP := BSSGP_CT.create(id & "-BSSGP");
 	/* connect lower end of BSSGP emulation with NS upper port */
 	connect(gb.vc_BSSGP:BSCP, gb.vc_NS:NS_SP);
 	/* connect lower end of NS emulation to NS codec port (on top of IPL4) */
@@ -175,7 +175,7 @@
 		sgsn_role := false
 	};
 
-	f_init_gb(g_gb[0]);
+	f_init_gb(g_gb[0], "SGSN_Test-Gb0");
 	f_init_gsup("SGSN_Test");
 	f_init_gtp("SGSN_Test");
 	f_init_vty();