From 09de7d1342a6d069ee888370a9bdcc289fadc73b Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sun, 18 Feb 2018 22:54:33 +0100
Subject: [PATCH] Close tun fd when bringing down tunnel

---
 tun_linux.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tun_linux.go b/tun_linux.go
index b35e08d..97973a7 100644
--- a/tun_linux.go
+++ b/tun_linux.go
@@ -283,7 +283,7 @@ func (tun *NativeTun) Events() chan TUNEvent {
 }
 
 func (tun *NativeTun) Close() error {
-	return nil
+	return tun.fd.Close()
 }
 
 func CreateTUNFromFile(name string, fd *os.File) (TUNDevice, error) {