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