IPV6_ADDR_INT32_ONE
sol->s6_addr32[2] = IPV6_ADDR_INT32_ONE;
daddr6.s6_addr32[2] == IPV6_ADDR_INT32_ONE &&
ip6->ip6_dst.s6_addr32[2] = IPV6_ADDR_INT32_ONE;
key->addr[pd->sidx].addr32[3] = IPV6_ADDR_INT32_ONE;