当我想要使用“kubectl set image”部署新图像时，经常会出现ErrImagePull状态失败，然后在一段时间后（最多几个小时）自行修复。这些是来自“kubectl describe pod”的事件：
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
36m 36m 1 {default-scheduler } Normal Scheduled Successfully assigned zzz-staging-2373868389-62tgk to gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5
36m 12m 6 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} spec.containers{zzz-staging} Normal Pulling pulling image "us.gcr.io/yyyy-staging/zzz:latest"
31m 11m 6 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} spec.containers{zzz-staging} Warning Failed Failed to pull image "us.gcr.io/yyyy-staging/zzz:latest": net/http: request canceled
31m 11m 6 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "zzz-staging" with ErrImagePull: "net/http: request canceled"
16m 7m 3 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} spec.containers{zzz-staging} Normal BackOff Back-off pulling image "us.gcr.io/yyyy-staging/zzz:latest"
16m 7m 7m 3 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "zzz-staging" with ImagePullBackOff: "Back-off pulling image \"us.gcr.io/yyyy-staging/zzz:latest\""
24m 7m 5m 6 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} spec.containers{zzz-staging} Warning InspectFailed Failed to inspect image "us.gcr.io/yyyy-staging/zzz:latest": operation timeout: context deadline exceeded
24m 7m 5m 6 {kubelet gke-xxxxxxxxxx-staging-default-pool-ac6a32f4-09h5} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "zzz-staging" with ImageInspectError: "Failed to inspect image \"us.gcr.io/yyyy-staging/zzz:latest\": operation timeout: context deadline exceeded"
有没有办法避免这种情况？