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* Multicast addresses are never valid as local address * Link-local IPv6 unicast addresses may only be used as remote when the local address is link-local as well * Don't allow link-local IPv6 local/remote addresses without interface We also store in the flags field if link-local addresses are used for the follow-up patches that actually make VXLAN over link-local IPv6 work. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net> Signed-off-by: David S. Miller <davem@davemloft.net>