I seem to have a problem possibly similar to yours
https://forum.proxmox.com/threads/vm-crashes-host-cluster-network-when-using-virtual-function-since-kernel-6-14.176811/
I am struggling trying to find a clue on what is going on with my configuration. I have posted a previous post for this issue but get no feedback.
The server is part of a running cluster of 3 nodes. It has been rock solid for many years through...