//sys/class/tty/tty21/subsystem/tty10/subsystem/tty1/subsystem/console/subsystem/tty9/subsystem/tty1/subsystem/tty12/subsystem/tty49/subsystem/tty43/subsystem/tty11/subsystem/tty41/subsystem/tty39/subsystem/tty14/subsystem/tty44/uevent