:input;type filter hook input priority 0 *ip;test-ip4;input icmp type echo-request;ok meta l4proto icmp icmp type echo-request;ok;icmp type echo-request meta l4proto ipv6-icmp icmpv6 type nd-router-advert;ok;icmpv6 type nd-router-advert meta l4proto 58 icmpv6 type nd-router-advert;ok;icmpv6 type nd-router-advert icmpv6 type nd-router-advert;ok meta ibrname "br0";fail meta obrname "br0";fail meta sdif "lo" accept;ok meta sdifname != "vrf1" accept;ok