//sys/class/tty/tty25/subsystem/ttyS2/subsystem/tty61/subsystem/tty4/subsystem/tty5/subsystem/tty30/subsystem/tty47/subsystem/tty61/subsystem/tty45/subsystem/tty15/subsystem/tty21/subsystem/tty52/subsystem/ttyS1/uevent