I wonder if there's an easy way for you to provide a mechanism for us users to be able to "force" boot an unsupported distro. Many command line tools have "--force" options. In this case we have to resort to editing a packaged file to change the test. I wonder if you could have a "conf.d"...
I use Proxmox extensively in my homelab where I have virtual machines for many of my clients (I'm a freelance Postgres DBA and need to keep development / scratch machines separate).
It would be nice to be able to grow and shrink resource usage even more and it got me wondering about hotplug...
Did you ever diagnose this problem? I'm experiencing the exact same symptoms. Running PVE 8.3, recently upgraded from PVE 6.4. I have just downgraded from the 6.11 to the 6.8 kernel to see if it makes any difference.
My network config is 4 NICs: 2 and 2 in LACP bonds; those two active-backup...
Huh? /etc/network/interfaces has as last line source /etc/network/interfaces.d/* so there is no need to duplicate definitions that are included in any file in that directory. The SDN config is activated by and integrated with systemd in this way. And without that source line, SDN won't work.