rule ('PREROUTING -d Multicast --logical-in br-client -i bat0 -j MULTICAST_IN', 'nat')
rule 'OUTPUT -d Multicast --logical-out br-client -o bat0 -j MULTICAST_OUT'
rule 'FORWARD -d Multicast --logical-out br-client -o bat0 -j MULTICAST_OUT'

rule ('MULTICAST_IN -p IPv6 --ip6-protocol ipv6-icmp -j MULTICAST_IN_ICMPV6', 'nat')
rule 'MULTICAST_OUT -p IPv6 --ip6-protocol ipv6-icmp -j MULTICAST_OUT_ICMPV6'