[#OPNFLWPLUG-1036] OFP deleting topology-netconf operational data

If OFP and Netconf plugins are used together, I am noticing that OFP ends up deleting data from topology-netconf operational tree. Refer to logs below:

2018-09-18 10:34:54,916 | INFO | lt-dispatcher-35 | ContextChainHolderImpl | 397 - org.opendaylight.openflowplugin.impl - 0.5.3 | Try to remove device KeyedInstanceIdentifier{targetType=interface org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node, path=[org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology, org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology[key=TopologyKey [_topologyId=Uri [_value=topology-netconf]]], org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node[key=NodeKey [_nodeId=Uri [_value=ler-3]]]]} from operational DS
2018-09-18 10:34:54,917 | INFO | lt-dispatcher-35 | ContextChainHolderImpl | 397 - org.opendaylight.openflowplugin.impl - 0.5.3 | Removing device from operational DS KeyedInstanceIdentifier{targetType=interface org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node, path=[org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology, org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology[key=TopologyKey [_topologyId=Uri [_value=topology-netconf]]], org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node[key=NodeKey [_nodeId=Uri [_value=ler-3]]]]} was successful

[OPNFLWPLUG-1036] OFP deleting topology-netconf operational data Created: 18/Sep/18 Updated: 27/Sep/21 Resolved: 11/Dec/19
Status:	Resolved
Project:	OpenFlowPlugin
Component/s:	None
Affects Version/s:	Nitrogen-SR1, Oxygen, Fluorine
Fix Version/s:	None

[OPNFLWPLUG-1036] OFP deleting topology-netconf operational data Created: 18/Sep/18 Updated: 27/Sep/21 Resolved: 11/Dec/19