//sys/class/tty/tty63/subsystem/tty17/subsystem/tty1/subsystem/tty23/subsystem/tty50/subsystem/tty4/subsystem/tty47/subsystem/ttyS3/subsystem/tty9/subsystem/tty23/subsystem/tty28/subsystem/ttyS1/device/tty:ttyS1/subsystem/tty34/subsystem/tty50/uevent