From 1ae79f45da22ec2396891dd4181256a0bcb8aa2d Mon Sep 17 00:00:00 2001
From: wanyaoqi <18528551+wanyaoqi@users.noreply.github.com>
Date: Sat, 16 Aug 2025 14:49:37 +0800
Subject: [PATCH] fix(host): run ifdown script on guest delete (#23101)

---
 pkg/hostman/guestman/qemu-kvm.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkg/hostman/guestman/qemu-kvm.go b/pkg/hostman/guestman/qemu-kvm.go
index ac28d57763..f451069e7a 100644
--- a/pkg/hostman/guestman/qemu-kvm.go
+++ b/pkg/hostman/guestman/qemu-kvm.go
@@ -2012,6 +2012,14 @@ func (s *SKVMGuestInstance) StartDelete(ctx context.Context, migrated bool) erro
 		s.ForceStop()
 		time.Sleep(time.Second * 1)
 	}
+	// ensure interface down
+	for i := range s.Desc.Nics {
+		scriptPath := s.getNicDownScriptPath(s.Desc.Nics[i])
+		out, err := procutils.NewRemoteCommandAsFarAsPossible("bash", scriptPath).Output()
+		if err != nil {
+			log.Errorf("failed run nic down script %s: %s", out, err)
+		}
+	}
 	return s.Delete(ctx, migrated, false)
 }