//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS1/subsystem/tty50/subsystem/tty46/subsystem/tty21/subsystem/tty56/subsystem/tty5/subsystem/tty56/subsystem/tty21/subsystem/ttyS2/subsystem/tty29/subsystem/tty62/subsystem/ttyS3/subsystem/ptmx/subsystem/tty31/uevent