add namespaces info for logPrefix

Author: zhipengzuo

pkg/kubelet/images/image_manager.go

@@ -86,7 +86,7 @@ func (m *imageManager) logIt(ref *v1.ObjectReference, eventtype, event, prefix,
 // EnsureImageExists pulls the image for the specified pod and container, and returns
 // (imageRef, error message, error).
 func (m *imageManager) EnsureImageExists(pod *v1.Pod, container *v1.Container, pullSecrets []v1.Secret, podSandboxConfig *runtimeapi.PodSandboxConfig) (string, string, error) {
-	logPrefix := fmt.Sprintf("%s/%s", pod.Name, container.Image)
+	logPrefix := fmt.Sprintf("%s/%s/%s", pod.Namespace, pod.Name, container.Image)
 	ref, err := kubecontainer.GenerateContainerRef(pod, container)
 	if err != nil {
 		klog.Errorf("Couldn't make a ref to pod %v, container %v: '%v'", pod.Name, container.Name, err)