+ networks = set()
+ nodes = self.xml.xpath('//default:node[@component_manager_id]', namespaces=self.namespaces)
+ for node in nodes:
+ if 'component_manager_id' in node:
+ network_urn = node.get('component_manager_id')
+ network_hrn = Xrn(network_urn).get_hrn()[0]
+ networks.add({'name': network_hrn})
+ return list(networks)