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