cleaning the tx ring (and resetting BQL) to avoid false tx hangs detected by the watchdog
cleaning the tx ring (and resetting BQL) to avoid false tx hangs detected by the watchdog

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