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