when use ectd client every Get command will print "retrying of unary invoker", is this mean for

[yidayoung]

with code

func TestClient(t *testing.T) {
	logger, _ := zap.NewDevelopmentConfig().Build()
	cfg := etcdclient.Config{
		Endpoints: []string{"http://127.0.0.1:2379"},
		Logger:    logger,
	}
	etcdcli, err := etcdclient.New(cfg)
	if err != nil {
		t.Fatal(err)
	}
	etcdcli.Get(context.TODO(), "test")
	etcdcli.Get(context.TODO(), "test1")
	etcdcli.Get(context.TODO(), "test2")
}

every Get will print
DEBUG v3/retry_interceptor.go:53 retrying of unary invoker {"target": "etcd-endpoints://0xc0001ef340/127.0.0.1:2379", "attempt": 0}

---

i'm not sure this is expect result or my test code has some thing wrong.
when start my server, log will print this. log with 'retry' seems need care.

the print with 'retry' make me confused. is this usual