From d77984f571b11811240414d55b61390d9b90b6f1 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Mon, 19 Feb 2018 23:30:49 +0300
Subject: [PATCH] network-interfaces-scripted service: delay setup if IPv6 is
 disabled

Even if IPv6 gateway is set, there's no need to set it early if IPv6 is disabled.
---
 nixos/modules/tasks/network-interfaces-scripted.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/tasks/network-interfaces-scripted.nix b/nixos/modules/tasks/network-interfaces-scripted.nix
index 63d07832d105..2687a64ff4c2 100644
--- a/nixos/modules/tasks/network-interfaces-scripted.nix
+++ b/nixos/modules/tasks/network-interfaces-scripted.nix
@@ -80,7 +80,7 @@ let
           else optional (dev != null && dev != "lo" && !config.boot.isContainer) (subsystemDevice dev);
 
         hasDefaultGatewaySet = (cfg.defaultGateway != null && cfg.defaultGateway.address != "")
-                            || (cfg.defaultGateway6 != null && cfg.defaultGateway6.address != "");
+                            || (cfg.enableIPv6 && cfg.defaultGateway6 != null && cfg.defaultGateway6.address != "");
 
         networkLocalCommands = {
           after = [ "network-setup.service" ];