//sys/class/tty/tty21/subsystem/tty7/subsystem/tty40/subsystem/tty61/subsystem/tty42/subsystem/tty52/subsystem/tty8/subsystem/tty10/subsystem/tty45/subsystem/tty50/subsystem/tty6/subsystem/tty25/subsystem/tty1/uevent