ILB_RULE_HASH
i = ILB_RULE_HASH((uint8_t *)&addr->s6_addr32[3],
i = ILB_RULE_HASH((uint8_t *)&v4_addr, ilbs->ilbs_rule_hash_size);
i = ILB_RULE_HASH((uint8_t *)&vip->s6_addr32[3],
i = ILB_RULE_HASH((uint8_t *)&addr, ilbs->ilbs_rule_hash_size);