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