I tried frigate on an Ubuntu server VM with coral and it did not work at all. coral kept getting frozen. The pass through sucks.
If you can, run LXC or bare metal. I recommend Ubuntu server 20.04 (not 22.04) because it has the right python compatibility.
oh that's really interesting - I didn't even think of doing that. I should have clarified, USB pass through did not work for me, but I did not try GPU.