java/nio/channels/DatagramChannel/SelectWhenRefused.java fails with "Unexpected wakeup after disconnect"
failure starts at jdk11+b12

----------System.err:(12/729)----------
java.lang.RuntimeException: Unexpected wakeup after disconnect
at SelectWhenRefused.main(SelectWhenRefused.java:85)
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:569)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:832)