soundcard

I have an mopidy LXC container with USB soundcard. All worked fine on v7. After upgrade do v8 it stopped working. On my lxc.conf I have: lxc.cgroup2.devices.allow: c 116:* rwm lxc.mount.entry: /dev/snd dev/snd none bind,optional,create=dir LXC container sees my soundcard: root@Mopidy ~#...