waiting for ixgbe_clean_rx_irq to complete just once in case of multiple queues, increased waiting time
waiting for ixgbe_clean_rx_irq to complete just once in case of multiple queues, increased waiting time

ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING