vnet_buffer (bt)->sw_if_index[VLIB_RX] = ad->sw_if_index;
vnet_buffer (bt)->sw_if_index[VLIB_TX] = ~0;
bt->buffer_pool_index = rxq->buffer_pool_index;
+ bt->ref_count = 1;
if (n_tail_desc)
n_rx_bytes = avf_process_rx_burst (vm, node, ptd, n_rx_packets, 1);