java/Ice/udp failure on Ubuntu 24.04 ARM runner

[externl]

[ running client/server test - 01/20/25 19:07:54 ]
- Config: ws,compress,ipv6,serialize,mx
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Server test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Server --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.ThreadPool.Server.Size=1 --Ice.ThreadPool.Server.SizeMax=3 --Ice.ThreadPool.Server.SizeWarn=0 --Ice.PrintAdapterReady=1 0 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Server test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Server --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.ThreadPool.Server.Size=1 --Ice.ThreadPool.Server.SizeMax=3 --Ice.ThreadPool.Server.SizeWarn=0 --Ice.PrintAdapterReady=1 1 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Server test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Server --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.ThreadPool.Server.Size=1 --Ice.ThreadPool.Server.SizeMax=3 --Ice.ThreadPool.Server.SizeWarn=0 --Ice.PrintAdapterReady=1 2 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Server test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Server --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.ThreadPool.Server.Size=1 --Ice.ThreadPool.Server.SizeMax=3 --Ice.ThreadPool.Server.SizeWarn=0 --Ice.PrintAdapterReady=1 3 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Server test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Server --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.ThreadPool.Server.Size=1 --Ice.ThreadPool.Server.SizeMax=3 --Ice.ThreadPool.Server.SizeWarn=0 --Ice.PrintAdapterReady=1 4 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
(/opt/hostedtoolcache/Java_Oracle_jdk/17/arm64/bin/java -ea -Djdk.net.URLClassPath.disableClassPathURLCheck=true -Dtest.class=test.Ice.udp.Client test.TestDriver --Ice.Default.Host=::1 --Test.BasePort=14200 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ws --Ice.Override.Compress=1 --Ice.ThreadPool.Server.Serialize=1 --Ice.IPv6=1 --Ice.PreferIPv6Address=1 --Ice.Admin.Endpoints="tcp -h \"::1\"" --Ice.Admin.InstanceName=Client --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none 5 env={'CLASSPATH': '/home/runner/work/ice/ice/java/lib/test.jar'})
testing udp... ok
testing udp multicast... java.lang.RuntimeException
	at test.Ice.udp.AllTests.test(AllTests.java:14)
	at test.Ice.udp.AllTests.allTests(AllTests.java:178)
	at test.Ice.udp.Client.run(Client.java:19)
	at test.TestDriver.main(TestDriver.java:26)