//sys/class/tty/tty21/subsystem/tty7/subsystem/tty42/subsystem/tty18/subsystem/tty16/subsystem/tty/subsystem/tty20/subsystem/tty2/subsystem/tty62/subsystem/tty43/subsystem/tty10/subsystem/tty1/subsystem/tty9/subsystem/tty62/subsystem/tty44/uevent