diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index 3b4c8e9..f5248aa 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -629,6 +629,8 @@
 
 	vc_conn := BSSGP_ConnHdlr.create(id);
 
+	log("Starting ", id, " for SGSN[", sgsn_idx, "], NRI=", nri, ", P-TMSI=", pars.p_tmsi,
+	    ", TLLI=", pars.tlli, ", IMSI=", pars.imsi, " on component=", vc_conn);
 	vc_conn.start(f_handler_init(fn, id, pars));
 	return vc_conn;
 }