EVENT_LINK_CHANGE
usbnet_defer_kevent(dev, EVENT_LINK_CHANGE);
clear_bit(EVENT_LINK_CHANGE, &dev->flags);
if (test_bit(EVENT_LINK_CHANGE, &dev->flags))
usbnet_defer_kevent(dev, EVENT_LINK_CHANGE);
[EVENT_LINK_CHANGE] = "EVENT_LINK_CHANGE",