ebtables -t nat -A libvirt-J-vnet0 -s 01:02:03:04:05:06/ff:ff:ff:ff:ff:fe \
-d aa:bb:cc:dd:ee:ff/ff:ff:ff:ff:ff:80 -p ipv6 --ip6-source ::10.1.2.3/22 \
--ip6-destination ::10.1.2.3/113 --ip6-protocol 17 --ip6-source-port 20:22 \
--ip6-destination-port 100:101 -j ACCEPT
ebtables -t nat -A libvirt-J-vnet0 -p ipv6 --ip6-destination 1::2/128 \
--ip6-source a:b:c::/65 --ip6-protocol 6 --ip6-destination-port 20:22 \
--ip6-source-port 100:101 -j ACCEPT
ebtables -t nat -A libvirt-P-vnet0 -p ipv6 --ip6-source 1::2/128 \
--ip6-destination a:b:c::/65 --ip6-protocol 6 --ip6-source-port 20:22 \
--ip6-destination-port 100:101 -j ACCEPT
ebtables -t nat -A libvirt-J-vnet0 -p ipv6 --ip6-destination 1::2/128 \
--ip6-source a:b:c::/65 --ip6-protocol 6 --ip6-destination-port 255:256 \
--ip6-source-port 65535:65535 -j ACCEPT
ebtables -t nat -A libvirt-P-vnet0 -p ipv6 --ip6-source 1::2/128 \
--ip6-destination a:b:c::/65 --ip6-protocol 6 --ip6-source-port 255:256 \
--ip6-destination-port 65535:65535 -j ACCEPT
ebtables -t nat -A libvirt-J-vnet0 -p ipv6 --ip6-destination 1::2/128 \
--ip6-source a:b:c::/65 --ip6-protocol 18 -j ACCEPT
ebtables -t nat -A libvirt-P-vnet0 -p ipv6 --ip6-source 1::2/128 \
--ip6-destination a:b:c::/65 --ip6-protocol 18 -j ACCEPT