//sys/class/tty/tty21/subsystem/tty58/subsystem/tty28/subsystem/tty33/subsystem/ptmx/subsystem/tty31/subsystem/tty8/subsystem/tty13/subsystem/tty35/subsystem/tty4/subsystem/tty24/subsystem/tty17/subsystem/tty43/uevent