With the current yangtools/odlparent bump, restconf calls to perform any operation on network-topology models fails. This impacts OVSDB plugin as it uses network-topology for everything. This also impacts all OVSDB, Genius and Netvirt CSIT.
Issue seems to be loading two versions of network-topology models. Following 'fix' [1] to explicitly specify revision in OVSDB allowed me to get some things working in OVSDB plugin, restconf is still failing. Earlier same code was working even with 2 revisions of same model.
To check multiple revisions, load karaf from ovsdb/southbound-karaf distro and run 'bundle:find-class NetworkTopology' Curated output of same as follows:
ietf-topology-isis (265)
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyData.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyData.class
ietf-topology-l3-unicast-igp (266)
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyData.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyData.class
ietf-topology-ospf (267)
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev131021/NetworkTopologyData.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopology.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$1.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder$NetworkTopologyImpl.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyBuilder.class
org/opendaylight/yang/gen/v1/urn/tbd/params/xml/ns/yang/network/topology/rev130712/NetworkTopologyData.class