diff --git a/test/integration/framework/etcd.go b/test/integration/framework/etcd.go
index a7a502da4ca..25e2fbbfe11 100644
--- a/test/integration/framework/etcd.go
+++ b/test/integration/framework/etcd.go
@@ -25,6 +25,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"sync"
 	"syscall"
 	"testing"
 	"time"
@@ -83,6 +84,8 @@ func startEtcd(output io.Writer) (func(), error) {
 	return stop, nil
 }
 
+var initGRPCOnce sync.Once
+
 // RunCustomEtcd starts a custom etcd instance for test purposes.
 func RunCustomEtcd(dataDir string, customFlags []string, output io.Writer) (url string, stopFn func(), err error) {
 	// TODO: Check for valid etcd version.
@@ -150,7 +153,9 @@ func RunCustomEtcd(dataDir string, customFlags []string, output io.Writer) (url
 
 	// Quiet etcd logs for integration tests
 	// Comment out to get verbose logs if desired
-	grpclog.SetLoggerV2(grpclog.NewLoggerV2(io.Discard, io.Discard, os.Stderr))
+	initGRPCOnce.Do(func() {
+		grpclog.SetLoggerV2(grpclog.NewLoggerV2(io.Discard, io.Discard, os.Stderr))
+	})
 
 	if err := cmd.Start(); err != nil {
 		return "", nil, fmt.Errorf("failed to run etcd: %v", err)