//sys/class/tty/tty21/subsystem/tty13/subsystem/tty5/subsystem/tty15/subsystem/tty16/subsystem/tty17/subsystem/tty53/subsystem/tty10/subsystem/tty51/subsystem/tty14/subsystem/tty51/subsystem/tty28/subsystem/tty27/uevent