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