IPVS_DEST_ATTR_ADDR_FAMILY
[IPVS_DEST_ATTR_ADDR_FAMILY] = { .type = NLA_U16 },
nla_put_u16(skb, IPVS_DEST_ATTR_ADDR_FAMILY, dest->af))
nla_addr_family = attrs[IPVS_DEST_ATTR_ADDR_FAMILY];