//sys/bus/platform/devices/serial8250/tty:ttyS2/subsystem/tty/subsystem/tty/subsystem/tty33/subsystem/tty13/subsystem/ptmx/subsystem/tty11/subsystem/tty54/subsystem/tty15/subsystem/tty40/subsystem/tty10/subsystem/tty46/subsystem/tty23/subsystem/tty29/dev