> I did see a couple of events where the WSNM service is restarting
While the VM is idle on the host? That is probably significant, the service should always be running. Are you able to attach a log bundle, generated while the VM is seen as unavailable, to the thread?
I had this same issue pretty much. It appears that it was being caused by Kaspersky Security for Virtualization on my end. Every time I shut down the SVM for that particular host all the agents went back out of an unreachable state.
jdre2134, did you found the way to solve the problem? Manual reboot of kaspersky security device isn't the solution