//sys/class/tty/tty21/subsystem/tty7/subsystem/tty40/subsystem/tty61/subsystem/tty16/subsystem/tty3/subsystem/tty55/subsystem/tty41/subsystem/tty18/subsystem/tty54/subsystem/tty48/subsystem/tty50/subsystem/tty57/subsystem/tty10/uevent