The test test/java/net/MulticastSocket/Test.java begins to fail since JDK 7 b13:
  **********************
  Test 4: /ff0e:0:0:0:0:0:0:a
  Join: /ff0e:0:0:0:0:0:0:a
  Send packet to: /ff0e:0:0:0:0:0:0:a
  Failed: Unexpected exception thrown:
  java.net.BindException: Cannot assign requested address: Datagram send failed
        at java.net.PlainDatagramSocketImpl.send(Native Method)
        at java.net.DatagramSocket.send(DatagramSocket.java:657)
        at TestHego.doTest(TestHego.java:69)
        at TestHego.allTests(TestHego.java:186)
        at TestHego.main(TestHego.java:194)
  Test failed!!