gsup: Log connect failures

Change-Id: I273d37aa75cfacbc7c3302d035c2391d9bdd9b2e

src/gsup_client.erl

@@ -83,9 +83,10 @@ init([Address, Port, Options]) ->
 			true = ipa_proto:register_stream(Socket, ?IPAC_PROTO_EXT_GSUP, {process_id, self()}),
 			ipa_proto:unblock(Socket),
 			{ok, #gsupc_state{socket=Socket, ipa_pid=IpaPid}};
-		{error, econnrefused} ->
+		{error, Reason} ->
+			lager:error("Connecting to GSUP HLR on IP ~s port ~p failed: ~p~n", [Address, Port, Reason]),
 			timer:sleep(5000),
-			{stop, connrefused}
+			{stop, Reason}
 	end.