k8s etcd 连接错误

今天在用代码连接k8s内部的etcd的时候，遇到了下面这个错误，全网搜索也没有相似的： {"level":"warn","ts":"2020-04-19T19:59:50.119+0800","caller":"clientv3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"endpoint:

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