//sys/class/tty/tty42/subsystem/tty30/subsystem/tty27/subsystem/tty29/subsystem/tty23/subsystem/tty7/subsystem/ptmx/subsystem/tty15/subsystem/tty25/subsystem/tty16/subsystem/tty13/subsystem/tty10/subsystem/tty13/uevent