我将 rancher 从 v2.2.8 升级到 v2.3 后遇到了这个问题。集群使用rke v0.3.0部署。我遇到的第一个问题是Readiness probe failed: HTTP probe failed with statuscode: 503下面的日志，有一个问题https://github.com/rancher/rancher/issues/23430
kube-system Warning Unhealthy canal-s6nwj Readiness probe failed: HTTP probe failed with statuscode: 503 31 minutes ago
kube-system Warning Unhealthy canal-s8q9c Readiness probe failed: HTTP probe failed with statuscode: 503 35 minutes ago
kube-system Warning Unhealthy canal-z4h9h Readiness probe failed: HTTP probe failed with statuscode: 503 35 minutes ago
kube-system Warning Unhealthy canal-55f6l Readiness probe failed: HTTP probe failed with statuscode: 503 …