Hello,
I recently upgraded my pve 6 server (dedicated server RISE-1 at OVH), following this guide: https://pve.proxmox.com/wiki/Upgrade_from_6.x_to_7.0#Check_Linux_Network_Bridge_MAC
The upgrade went fine, but after a reboot, the server did not answer to ping, SSH, HTTP, etc.
pve6to7 utility...