File: //proc/self/cgroup
8:cpuset:/container-payload.slice/lxc.payload.infongp-us52
7:net_cls:/container-payload.slice/lxc.payload.infongp-us52
6:cpu,cpuacct:/container-payload.slice/lxc.payload.infongp-us52/srv.slice/apache2-ssl.service
5:memory:/container-payload.slice/lxc.payload.infongp-us52/srv.slice/apache2-ssl.service
4:freezer:/container-payload.slice/lxc.payload.infongp-us52
3:devices:/container-payload.slice/lxc.payload.infongp-us52/srv.slice/apache2-ssl.service
2:blkio:/container-payload.slice/lxc.payload.infongp-us52
1:name=systemd:/container-payload.slice/lxc.payload.infongp-us52/srv.slice/apache2-ssl.service