V3po is using Netconf northbound and Datastore from ODL. There is a problem with list nodes (e.g. interfaces model) in that their parent mixin nodes are not being auto-created.

There is a workaround in v3po:
https://gerrit.fd.io/r/#/c/352/

But we need to remove it once a proper fix is present in ODL Be:
https://git.opendaylight.org/gerrit/#/c/35580/