From 4d6d98c9d46ad4982ae773bd4613812e2781f836 Mon Sep 17 00:00:00 2001
From: /gray <greyschwinger@gmail.com>
Date: Mon, 29 Jan 2024 18:56:11 +0800
Subject: [PATCH] fix: Create DaeNetns instance strictly once on reload (#446)

---
 control/netns_utils.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/control/netns_utils.go b/control/netns_utils.go
index 1dee26a6c..3954f94fe 100644
--- a/control/netns_utils.go
+++ b/control/netns_utils.go
@@ -24,6 +24,7 @@ const (
 
 var (
 	daeNetns *DaeNetns
+	once     sync.Once
 )
 
 type DaeNetns struct {
@@ -37,9 +38,10 @@ type DaeNetns struct {
 }
 
 func InitDaeNetns(log *logrus.Logger) {
-	daeNetns = &DaeNetns{
-		log: log,
-	}
+	once.Do(func() {
+		daeNetns = &DaeNetns{}
+	})
+	daeNetns.log = log
 }
 
 func GetDaeNetns() *DaeNetns {