ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filt);
ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filt);
if (setsockopt(iface->router_event.uloop.fd, IPPROTO_ICMPV6, ICMP6_FILTER,
ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filt);
ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filt);
if (setsockopt(iface->router_event.uloop.fd, IPPROTO_ICMPV6, ICMP6_FILTER,