From daa14845ab23e0e32f337f055b2967fa08380ca3 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@google.com>
Date: Sun, 22 Jul 2018 23:07:23 +0200
Subject: [PATCH] netconfig: plug fd leak by closing the netlink handle

fixes #4
---
 internal/netconfig/netconfig.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/netconfig/netconfig.go b/internal/netconfig/netconfig.go
index 02b74da..01b653d 100644
--- a/internal/netconfig/netconfig.go
+++ b/internal/netconfig/netconfig.go
@@ -94,6 +94,7 @@ func applyDhcp4(dir string) error {
 	if err != nil {
 		return fmt.Errorf("netlink.NewHandle: %v", err)
 	}
+	defer h.Delete()
 	if err := h.AddrReplace(link, addr); err != nil {
 		return fmt.Errorf("AddrReplace(%v): %v", addr, err)
 	}