s.RLock()
	defer s.RUnlock()
	errs := []error{}
	if s.storageError != nil {
		errs = append(errs, s.storageError)
	}
	return utilerrors.NewAggregate(errs)
}

func newRuntimeState(runtimeSyncThreshold time.Duration) *runtimeState {
	return &runtimeState{
		lastBaseRuntimeSync:      time.Time{},
		baseRuntimeSyncThreshold: runtimeSyncThreshold,
		networkError:             ErrNetworkUnknown,
	}

		reasonCache:      NewReasonCache(),
		clock:            clock.RealClock{},
		kubeClient:       &fake.Clientset{},
		hostname:         testKubeletHostname,
		nodeName:         testKubeletHostname,
		runtimeState:     newRuntimeState(time.Second),
		hostutil:         hostutil.NewFakeHostUtil(nil),
	}
	kb.containerManager = cm.NewStubContainerManager()

	plug := &volumetest.FakeVolumePlugin{PluginName: "fake", Host: nil}