I’m honestly not sure, you’re discussing a few corner cases that I haven’t tried out personally. I think you’d just have to do your own testing to see. I suspect the more layers of abstraction, the more they could potentially slow you down, but can’t say if it would be experienced the same way some of us who ran in docker had observed.

Proxmox is quite powerful, if you get it setup and running smoothly it would be awesome to hear back about how you did it!