ip_vs_fill_iph_skb
if (!ip_vs_fill_iph_skb(AF_INET, skb, false, ipvsh))
ip_vs_fill_iph_skb(af, skb, false, &iph);
ip_vs_fill_iph_skb(AF_INET, skb, false, &iph);
if (!ip_vs_fill_iph_skb(AF_INET, skb, false, iph))
ip_vs_fill_iph_skb(af, skb, false, &iph);
ip_vs_fill_iph_skb(af, skb, false, &iph);
ip_vs_fill_iph_skb(AF_INET, skb, false, &iphdr);
ip_vs_fill_iph_skb(AF_INET6, skb, false, &iphdr);
retc = ip_vs_fill_iph_skb(p->af, skb, false, &iph);
ip_vs_fill_iph_skb(family, skb, true, &iph);