I think this won't apply to ML2/OVN as metadata is always fetched via static route to the metadata port and not through a router, so that traffic will never exit the logical switch (Neutron network) to another metadata proxy.
I think this won't apply to ML2/OVN as metadata is always fetched via static route to the metadata port and not through a router, so that traffic will never exit the logical switch (Neutron network) to another metadata proxy.