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