From d4a24ac0011498eed8ca20ce51ab3e95f9d87926 Mon Sep 17 00:00:00 2001
From: braginini <bangvalo@gmail.com>
Date: Thu, 26 Aug 2021 15:32:05 +0200
Subject: [PATCH] chore: cherrypick hotfix iface

---
 iface/iface_linux.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/iface/iface_linux.go b/iface/iface_linux.go
index 71a706c12..2cb3af72f 100644
--- a/iface/iface_linux.go
+++ b/iface/iface_linux.go
@@ -71,6 +71,20 @@ func assignAddr(address, name string) error {
 		attrs: &attrs,
 	}
 
+	//delete existing addresses
+	list, err := netlink.AddrList(&link, 0)
+	if err != nil {
+		return err
+	}
+	if len(list) > 0 {
+		for _, a := range list {
+			err = netlink.AddrDel(&link, &a)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
 	log.Debugf("adding address %s to interface: %s", address, attrs.Name)
 	addr, _ := netlink.ParseAddr(address)
 	err = netlink.AddrAdd(&link, addr)