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