//sys/class/tty/tty21/subsystem/tty25/subsystem/tty24/subsystem/tty1/subsystem/ttyS3/subsystem/tty6/subsystem/tty42/subsystem/tty52/subsystem/tty14/subsystem/tty46/subsystem/tty32/subsystem/tty20/subsystem/tty16/subsystem/tty3/uevent