The following 5 tests failed in the JDK19 CI:

java/nio/channels/DatagramChannel/SelectWhenRefused.java
java/nio/channels/DatagramChannel/Disconnect.java
java/nio/channels/DatagramChannel/ChangingAddress.java
java/nio/channels/DatagramChannel/AfterDisconnect.java
java/nio/channels/DatagramChannel/AdaptorGetters.java

Here's a log file snippet for the SelectWhenRefused.java test:

----------System.err:(12/680)----------
java.net.SocketException: Invalid argument
at java.base/sun.nio.ch.DatagramChannelImpl.disconnect0(Native Method)
at java.base/sun.nio.ch.DatagramChannelImpl.disconnect(DatagramChannelImpl.java:1300)
at SelectWhenRefused.main(SelectWhenRefused.java:78)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:828)

JavaTest Message: Test threw exception: java.net.SocketException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.net.SocketException: Invalid argument

The other 4 tests have similar failures.

The test machine is running Mac_OS_X_12.4 and we've been
seeing some strange failures on Mac_OS_X_12.4 in the last
few days.