virtio_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
hdr = rte_pktmbuf_mtod_offset(tx_pkts[i],
struct virtio_net_hdr *, -head_size);
virtio_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
hdr = rte_pktmbuf_mtod_offset(tx_pkts[i],
struct virtio_net_hdr *, -head_size);