urn:opendaylight:params:xml:ns:yang:vbd:impl?module=vbd-impl&revision=2016-02-02 urn:opendaylight:params:xml:ns:yang:controller:md:sal:binding?module=opendaylight-md-sal-binding&revision=2013-10-28 prefix:vbd vbd-name binding:binding-broker-osgi-registry binding-osgi-broker