pfra_ip4addr
addr.pfra_ip4addr.s_addr = n->addr.v.a.addr.addr32[0];
sa.sin.sin_addr = ad->pfra_ip4addr;
if (inet_pton(AF_INET, ipsrc, &addr.pfra_ip4addr) == 1) {
p.pfra_ip4addr = (*state)->src_node->addr.v4;
p->pfra_ip4addr = ((struct sockaddr_in *)sa)->sin_addr;
ad->pfra_ip4addr = ke->pfrke_sa.sin.sin_addr;
FILLIN_SIN(sa.sin, ad->pfra_ip4addr);
FILLIN_SIN(ke->pfrke_sa.sin, ad->pfra_ip4addr);