IPSECDOI_TYPE_PH2
pair = get_proppair(iph2->sa_ret, IPSECDOI_TYPE_PH2);
pair = get_proppair(sa0, IPSECDOI_TYPE_PH2);
pair = get_proppair_and_doi_sit(iph2->sa, IPSECDOI_TYPE_PH2,
spair = get_proppair_and_doi_sit(iph2->sa, IPSECDOI_TYPE_PH2,
rpair = get_proppair(iph2->sa_ret, IPSECDOI_TYPE_PH2);
pair = get_proppair(iph2->sa, IPSECDOI_TYPE_PH2);