/sys/bus/serial-base/devices/
/sys/bus/serial-base/devices
NameSizeModeActions
00:04:0/-0755rm
00:04:0.0/-0755rm
serial8250:0/-0755rm
serial8250:0.1/-0755rm
serial8250:0.2/-0755rm
serial8250:0.3/-0755rm
cmd: