//sys/class/tty/tty21/subsystem/tty10/subsystem/tty54/subsystem/tty48/subsystem/tty28/subsystem/tty53/subsystem/tty45/subsystem/ttyS2/subsystem/tty44/subsystem/tty7/subsystem/tty25/subsystem/tty27/subsystem/tty9/subsystem/console/subsystem/tty63/uevent