Two tests failed in Mach5 with RuntimeException

java/net/ipv6tests/TcpTest.java

java.lang.RuntimeException: checkTime failed: got 1834 expected 5000
at Tests.checkTime(Tests.java:146)
at TcpTest.test3(TcpTest.java:161)
at TcpTest.main(TcpTest.java:66)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:533)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:226)
at java.lang.Thread.run(java.base@9-ea/Thread.java:843)

java/net/ipv6tests/UdpTest.java

java.lang.RuntimeException: checkTime failed: got 798 expected 4000
at Tests.checkTime(Tests.java:146)
at UdpTest.test2(UdpTest.java:130)
at UdpTest.main(UdpTest.java:73)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:533)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:226)
at java.lang.Thread.run(java.base@9-ea/Thread.java:843)