//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS2/device/tty:ttyS2/subsystem/tty40/subsystem/tty/subsystem/tty35/subsystem/tty17/subsystem/tty59/subsystem/tty30/subsystem/tty33/subsystem/tty29/subsystem/tty37/uevent