/tmp/etcd-download-test/etcdctl get secret1
{"level":"warn","ts":"2022-08-25T09:59:39.170-0700","caller":"clientv3/retry_interceptor.go:62","msg":"retrying of unary invoker failed","target":"<endpoint://client-ddc2ced7-320f-4be9-a25d-68c07645e407/127.0.0.1:2379>","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = latest balancer error: all SubConns are in TransientFailure, latest connection error: connection closed"}