我不确定你发的这个问题有没有影响，但是网上有解决这个错误的方法。
我在另外一个节点上发现了 nginx-ingress 相关的 kubelet 错误日志：
Mar 27 16:54:59 pocaptl003cn kubelet[70832]: E0327 16:54:59.375622 70832 nestedpendingoperations.go:270] Operation for "\"kubernetes.io/secret/7acd61f7-d9d7-419e-b0c9-d9cb1f01f338-nginx-ingress-serviceaccount-token-4nvp9\" (\"7acd61f7-d9d7-419e-b0c9-d9cb1f01f338\")" failed. No retries permitted until 2020-03-27 16:54:59.87545301 +0800 CST m=+24.254632032 (durationBeforeRetry 500ms). Error: "MountVolume.SetUp failed for volume \"nginx-ingress-serviceaccount-token-4nvp9\" (UniqueName: \"kubernetes.io/secret/7acd61f7-d9d7-419e-b0c9-d9cb1f01f338-nginx-ingress-serviceaccount-token-4nvp9\") pod \"nginx-ingress-controller-b8bcc95b4-ggq47\" (UID: \"7acd61f7-d9d7-419e-b0c9-d9cb1f01f338\") : couldn't propagate object cache: timed out waiting for the condition"
Mar 27 16:54:59 pocaptl003cn kubelet[70832]: E0327 16:54:59.378104 70832 secret.go:198] Couldn't get secret test/default-token-2dr9w: couldn't propagate object cache: timed out waiting for the condition
这个我就不太清楚了。