ICE_TX_FLAGS_IPV4
first->tx_flags |= ICE_TX_FLAGS_IPV4;
if (first->tx_flags & ICE_TX_FLAGS_IPV4) {
first->tx_flags &= ~(ICE_TX_FLAGS_IPV4 | ICE_TX_FLAGS_IPV6);
first->tx_flags |= ICE_TX_FLAGS_IPV4;
if (first->tx_flags & ICE_TX_FLAGS_IPV4) {