PS, just to be sure: You do have mounted cgroupv2 on the Docker host and in the Docker container?
- Bug#961584: lxc-stop fails with exit code 1 Harald Dunkel
- Bug#961584: lxc-stop fails with exit code 1 Pierre-Elliott Bécue
PS, just to be sure: You do have mounted cgroupv2 on the Docker host and in the Docker container?