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