From 5d4a54ca4d063174ced97e1e689becf49b7b7cd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Wed, 30 Aug 2017 06:59:27 +0100
Subject: [PATCH] network-interfaces-scripted: don't add 'lo' as device
 dependency

systemd does not create device units for loopback devices,
since they are not physical.
---
 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 f6f104ce7a6..15b36cfcb11 100644
--- a/nixos/modules/tasks/network-interfaces-scripted.nix
+++ b/nixos/modules/tasks/network-interfaces-scripted.nix
@@ -71,7 +71,7 @@ let
              (hasAttr dev cfg.vswitches) ||
              (hasAttr dev cfg.wlanInterfaces)
           then [ "${dev}-netdev.service" ]
-          else optional (dev != null && !config.boot.isContainer) (subsystemDevice dev);
+          else optional (dev != null && dev != "lo" && !config.boot.isContainer) (subsystemDevice dev);
 
         networkLocalCommands = {
           after = [ "network-setup.service" ];