nft_reg_load_be16
vlan_proto = nft_reg_load_be16(src);
vlan_tci = ntohs(nft_reg_load_be16(src));
tport = nft_reg_load_be16(®s->data[priv->sreg_port]);
tport = nft_reg_load_be16(®s->data[priv->sreg_port]);