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