Test: java/nio/channels/DatagramChannel/MulticastSendReceiveTests.java

From the log:
Test DatagramChannel to UNSPEC socket
join ff02:0:0:0:0:0:0:a @ eth0
Send message from fe80:0:0:0:221:f6ff:fef5:b7bb%eth0 -> group ff02:0:0:0:0:0:0:a (id=0xfbb7afae)
Waiting to receive message
Received message from /fe80:0:0:0:221:f6ff:fef5:b7bb%2 (id=0xfbb7afae)
Message expected
block fe80:0:0:0:221:f6ff:fef5:b7bb%eth0
Send message from fe80:0:0:0:221:f6ff:fef5:b7bb%eth0 -> group ff02:0:0:0:0:0:0:a (id=0x45d217fa)
Waiting to receive message
No message received (correct)
unblock fe80:0:0:0:221:f6ff:fef5:b7bb%eth0
Send message from fe80:0:0:0:221:f6ff:fef5:b7bb%eth0 -> group ff02:0:0:0:0:0:0:a (id=0xf2eb007b)
Waiting to receive message
----------System.err:(14/895)----------
java.lang.RuntimeException: Expected message not received
at MulticastSendReceiveTests.receiveDatagram(MulticastSendReceiveTests.java:108)
at MulticastSendReceiveTests.test(MulticastSendReceiveTests.java:201)
at MulticastSendReceiveTests.main(MulticastSendReceiveTests.java:261)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:830)