//sys/class/tty/tty63/subsystem/tty42/subsystem/tty11/subsystem/tty6/subsystem/tty12/subsystem/tty46/subsystem/tty40/subsystem/tty2/subsystem/ttyS1/subsystem/tty52/subsystem/tty56/subsystem/ptmx/subsystem/tty21/uevent