}

	// 3. Service
	if svc := a.lookupService(key); svc != nil {
		res := []model.AddressInfo{serviceToAddressInfo(svc.Service)}
		for _, w := range a.workloads.ByServiceKey.Lookup(svc.ResourceName()) {
			res = append(res, workloadToAddressInfo(w.Workload))
		}
		return res
	}
	return nil
}

func (a *index) lookupService(key string) *model.ServiceInfo {
	// 1. namespace/hostname format