ovn-kubernetes
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ovn-k8s-cni-overlay should be renamed to ovn-k8s-cni
Everything that ovn-k8s-cni-overlay CNI Network Plugin does has nothing to do with the overlay aspects. It
- plugs one end of the VETH pair into the POD and adds other end on to br-int
- tags the port on br-int with
iface-id=<logical_port_name_goes_here>
Naming the CNI plugin ovn-k8s-cni makes sense since it could as well be used to achieve the underlay mode as well.
It is just a name. If it is too much work to change it everywhere, you can simply ignore the naming.