It works initally, but if we reboot the l3-agent that has the router, the ip6tables rule disappears when the router is re-created on a new l3-agent.
After adding this manually:
ip6tables -t mangle -A neutron-l3-agent-scope -i qg-28f7e259-d2 -j MARK --set-xmark 0x4000000/0xffff0000
it works again.
It works initally, but if we reboot the l3-agent that has the router, the ip6tables rule disappears when the router is re-created on a new l3-agent.
After adding this manually:
ip6tables -t mangle -A neutron- l3-agent- scope -i qg-28f7e259-d2 -j MARK --set-xmark 0x4000000/ 0xffff0000
it works again.