From db344197d4231ef48653ffe0045d117fdb815ba8 Mon Sep 17 00:00:00 2001
From: Joakim Eriksson <joakime@sics.se>
Date: Sun, 8 Oct 2017 09:55:49 +0200
Subject: [PATCH] added warning on native when not running sudo / not able to
 allocate tun

---
 arch/cpu/native/net/tun6-net.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/cpu/native/net/tun6-net.c b/arch/cpu/native/net/tun6-net.c
index 0fbf682d3..231e403cb 100644
--- a/arch/cpu/native/net/tun6-net.c
+++ b/arch/cpu/native/net/tun6-net.c
@@ -51,7 +51,7 @@
 #include <sys/socket.h>
 
 
-#define DEBUG DEBUG_FULL
+#define DEBUG DEBUG_NONE
 #include "net/ipv6/uip-debug.h"
 
 #ifdef linux
@@ -209,7 +209,9 @@ tun_init()
 
   tunfd = tun_alloc(config_tundev);
   if(tunfd == -1) {
-    err(1, "failed to allocate tun device ``%s''", config_tundev);
+    printf("Warning: can't allocate tun device when not in sudo - Native platform will run but without network.\n");
+    /* err(1, "failed to allocate tun device ``%s''", config_tundev); */
+    return;
   }
 
   PRINTF("Tun open:%d\n", tunfd);