//sys/class/tty/tty21/subsystem/ttyS0/subsystem/tty32/subsystem/tty53/subsystem/console/subsystem/tty8/subsystem/ttyS0/subsystem/tty17/subsystem/ptmx/subsystem/tty5/subsystem/tty37/subsystem/tty2/subsystem/tty11/subsystem/tty8/uevent