//sys/class/tty/tty21/subsystem/tty10/subsystem/tty13/subsystem/tty49/subsystem/tty8/subsystem/tty61/subsystem/tty31/subsystem/tty33/subsystem/tty60/subsystem/tty1/subsystem/tty32/subsystem/tty15/subsystem/tty22/uevent