From c1ccedeaffe2608ca595f4b01286739368891915 Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sat, 11 Mar 2017 07:15:47 +0100
Subject: [PATCH] linux: make some new config settings optional

These are not support on older kernels pre 4.0.
---
 pkgs/os-specific/linux/kernel/common-config.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index b66ad655b648..329f80d0e67e 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -150,8 +150,8 @@ with stdenv.lib;
   L2TP_ETH m
   BRIDGE_VLAN_FILTERING y
   BONDING m
-  NET_L3_MASTER_DEV y
-  NET_FOU_IP_TUNNELS y
+  NET_L3_MASTER_DEV? y
+  NET_FOU_IP_TUNNELS? y
 
   # Wireless networking.
   CFG80211_WEXT? y # Without it, ipw2200 drivers don't build