From 8902d2614a066766d27c5bea15f03ebd097fe1d8 Mon Sep 17 00:00:00 2001
From: Tomofumi Hayashi <tohayash@redhat.com>
Date: Wed, 7 Aug 2019 13:52:44 +0900
Subject: [PATCH] Remove link Down/Up in MAC address change to prevent route
 flush

---
 plugins/meta/tuning/tuning.go | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/plugins/meta/tuning/tuning.go b/plugins/meta/tuning/tuning.go
index 9ea7c2c4..d62734cf 100644
--- a/plugins/meta/tuning/tuning.go
+++ b/plugins/meta/tuning/tuning.go
@@ -93,15 +93,7 @@ func changeMacAddr(ifName string, newMacAddr string) error {
 		return fmt.Errorf("failed to get %q: %v", ifName, err)
 	}
 
-	err = netlink.LinkSetDown(link)
-	if err != nil {
-		return fmt.Errorf("failed to set %q down: %v", ifName, err)
-	}
-	err = netlink.LinkSetHardwareAddr(link, addr)
-	if err != nil {
-		return fmt.Errorf("failed to set %q address to %q: %v", ifName, newMacAddr, err)
-	}
-	return netlink.LinkSetUp(link)
+	return netlink.LinkSetHardwareAddr(link, addr)
 }
 
 func updateResultsMacAddr(config TuningConf, ifName string, newMacAddr string) {