//sys/bus/platform/devices/serial8250/tty:ttyS2/subsystem/ptmx/subsystem/tty22/subsystem/tty56/subsystem/tty33/subsystem/tty37/subsystem/tty51/subsystem/tty12/subsystem/ttyS2/subsystem/tty35/subsystem/tty21/subsystem/tty23/subsystem/tty39/uevent