domain ip { table mangle { chain PREROUTING { proto udp dport 67 NFQUEUE queue-num 42; } } } domain ip6 { table mangle { chain PREROUTING { proto icmpv6 icmpv6-type router-solicitation NFQUEUE queue-num 43; proto icmpv6 icmpv6-type neighbour-solicitation NFQUEUE queue-num 44; } } }