--- a/test/jdk/java/net/Socket/TrafficClass.java	Wed May 08 12:45:02 2019 -0700
+++ b/test/jdk/java/net/Socket/TrafficClass.java	Tue Apr 16 13:06:23 2019 -0700
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 4511783
+ * @library /test/lib
  * @summary Test that setTrafficClass/getTraffiClass don't
  *          throw an exception
  * @run main TrafficClass
@@ -32,6 +33,7 @@
 import java.net.*;
 import java.nio.*;
 import java.nio.channels.*;
+import jdk.test.lib.net.IPSupport;
 
 public class TrafficClass {
 
@@ -61,6 +63,7 @@
     }
 
     public static void main(String args[]) throws Exception {
+        IPSupport.skipIfCurrentConfigurationIsInvalid();
 
         DatagramSocket ds = new DatagramSocket();
         testDatagramSocket(ds);