When Ubuntu Eoan is started with systemd.unified_cgroup_hierarchy, lxc-start (version 3.0.4 packaged by Eoan) cannot be used in its default setting. It is a combination of unsuitable default configuration and an upstream bug in LXC 3.0.4. For detail, please refer to https://github.com/lxc/lxc/issues/3183
When Ubuntu Eoan is started with systemd. unified_ cgroup_ hierarchy, lxc-start (version 3.0.4 packaged by Eoan) cannot be used in its default setting. It is a combination of unsuitable default configuration and an upstream bug in LXC 3.0.4. For detail, please refer to https:/ /github. com/lxc/ lxc/issues/ 3183