--- a/test/jdk/java/net/MulticastSocket/UnreferencedMulticastSockets.java	Thu Sep 20 14:19:53 2018 -0700
+++ b/test/jdk/java/net/MulticastSocket/UnreferencedMulticastSockets.java	Fri Sep 21 15:49:59 2018 +0800
@@ -120,6 +120,7 @@
         thr.start();
 
         MulticastSocket client = new MulticastSocket(0);
+        System.out.printf("  client bound port: %d%n", client.getLocalPort());
         client.connect(svr.getHost(), svr.getPort());
         pendingSockets.add(new NamedWeak(client, pendingQueue, "clientMulticastSocket"));
         extractRefs(client, "clientMulticastSocket");