return ""
	}
	// 1. first check the wle.Network
	if wle.Network != "" {
		return network.ID(wle.Network)
	}

	// 2. fall back to the passed in getNetworkCb func.
	if s.networkIDCallback != nil {
		return s.networkIDCallback(wle.Address, wle.Labels)
	}
	return ""

	edsQueue queue.Instance

	workloadHandlers []func(*model.WorkloadInstance, model.Event)

	// callback function used to get the networkID according to workload ip and labels.
	networkIDCallback func(IP string, labels labels.Instance) network.ID

	// Indicates whether this controller is for workload entries.
	workloadEntryController bool

	meshWatcher mesh.Watcher

	model.NoopAmbientIndexes

				},
				PortMap: map[string]uint32{
					"http": 80,
				},
			},
		},
	}

	for _, tt := range workloadInstanceTests {
		t.Run(tt.name, func(t *testing.T) {
			s := &Controller{networkIDCallback: tt.getNetworkIDCb, meshWatcher: mesh.NewFixedWatcher(mesh.DefaultMeshConfig())}
			instance := s.convertWorkloadEntryToWorkloadInstance(tt.wle, cluster.ID(clusterID))
			if err := compare(t, instance, tt.out); err != nil {