11:hugetlb:/
10:pids:/system.slice/system-serial\x2dgetty.slice
9:memory:/system.slice
8:perf_event:/
7:cpuset:/
6:freezer:/
5:blkio:/system.slice
4:devices:/system.slice/system-serial\x2dgetty.slice
3:cpuacct,cpu:/system.slice
2:net_prio,net_cls:/
1:name=systemd:/system.slice/system-serial\x2dgetty.slice/serial-getty@ttyS0.service