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