//sys/class/tty/tty21/subsystem/tty27/subsystem/tty0/subsystem/tty42/subsystem/tty37/subsystem/tty8/subsystem/tty33/subsystem/tty28/subsystem/tty17/subsystem/tty10/subsystem/tty62/subsystem/tty34/subsystem/tty23/subsystem/tty22/uevent