12:devices:/user.slice 11:rdma:/ 10:freezer:/ 9:cpuset:/ 8:blkio:/user.slice 7:pids:/user.slice/user-0.slice/session-1.scope 6:memory:/user.slice/user-0.slice/session-1.scope 5:hugetlb:/ 4:cpu,cpuacct:/user.slice 3:net_cls,net_prio:/ 2:perf_event:/ 1:name=systemd:/user.slice/user-0.slice/session-1.scope