TUN-Schnittstelle für Container in Proxmox freischalten
nano /etc/pve/lxc/xxx.conf
lxc.cgroup2.devices.allow: c 10:200 rwm
lxc.mount.entry: /dev/net/tun dev/net/tun noe bind,create=file
FAQ
I upgraded to Proxmox 7.0 and my LXCs no longer have /dev/net/tun
Proxmox 7.0 switched to a pure cgroup2 environment. Update the line in /etc/pve/lxc/ to:
lxc.cgroup2.devices.allow: c 10:200 rwm