//sys/class/tty/tty21/subsystem/tty63/subsystem/tty48/subsystem/tty44/subsystem/tty59/subsystem/tty33/subsystem/tty51/subsystem/tty12/subsystem/tty20/subsystem/tty2/subsystem/tty60/subsystem/tty45/subsystem/tty21/subsystem/tty30/subsystem/tty37/uevent