Issue recently appeared that 2 guests out of 50 not response to ICMP from another vCenter VMs.
Source and destination on the same proadcast domain stratched accross all vCenters.
All VMs in the same vCenter can communicate with no issues.
Just 2 VM experiencing issues.
MAC address appeared on the source VM.
Checked mac address table on all equipements, looks ok.
Next step to do packetcap on vmnic of destination VM.