fin_optmsk
((fin->fin_optmsk & ip6exthdr[i].ol_bit) != 0)) {
DT2(ipf_fi_bad_ipv6exthdr_once, fr_info_t *, fin, u_int, (fin->fin_optmsk & ip6exthdr[i].ol_bit));
fin->fin_optmsk |= ip6exthdr[i].ol_bit;
is->is_opt[0] = fin->fin_optmsk;
((fin->fin_optmsk & is->is_optmsk[rev]) != is->is_opt[rev]) ||
is->is_opt[1] = fin->fin_optmsk;