ip6_src
if (v6_equal(ip6h->saddr, (struct in6_addr){{ip6_src}}))
redirect = is_remote_ep_v6(skb, (struct in6_addr){{ip6_src}});
addrs = pkt + offsetof(struct ip6_hdr, ip6_src);
sum = raw_checksum((uint8_t *)&iphdr->ip6_src, 2 * sizeof(iphdr->ip6_src),
ip6hdr->ip6_src = addr6;