JVM/TI GetCurrentContendedMonitor/contmon001 failed due to "(IsSameObject#3) unexpected monitor object: 0x000000562336DBA8"

The following test failed in the JDK15 CI:

vmTestbase/nsk/jvmti/GetCurrentContendedMonitor/contmon001/TestDescription.java

Here's a snippet from the log file:

#section:main
----------messages:(4/277)----------
command: main -agentlib:contmon001 nsk.jvmti.GetCurrentContendedMonitor.contmon001
reason: User specified action: run main/othervm/native -agentlib:contmon001 nsk.jvmti.GetCurrentContendedMonitor.contmon001
Mode: othervm [/othervm specified]
elapsed time (seconds): 0.828
----------configuration:(0/0)----------
----------System.out:(1/64)----------
(IsSameObject#3) unexpected monitor object: 0x000000562336DBA8
----------System.err:(0/0)----------
----------rerun:(40/5942)*----------