//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS3/device/tty:ttyS3/subsystem/tty37/subsystem/tty16/subsystem/tty49/subsystem/tty50/subsystem/tty46/subsystem/tty30/subsystem/tty54/subsystem/tty32/subsystem/tty45/subsystem/ttyS0/subsystem/tty20/subsystem/tty34/subsystem/tty30/subsystem/tty7/uevent