From 05659962cd8c04a9e8bf05b298b735f5747bf12c Mon Sep 17 00:00:00 2001
From: xeji <36407913+xeji@users.noreply.github.com>
Date: Thu, 20 Sep 2018 13:20:12 +0200
Subject: [PATCH] nixos/tests/networking.virtual: prevent non-deterministic
 failure (#46949)

The test failed non-deterministically on Hydra because interfaces
sometimes weren't yet fully cleaned up when the result was checked.
---
 nixos/tests/networking.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nixos/tests/networking.nix b/nixos/tests/networking.nix
index 02bd4bd98079..87a8c4c0e196 100644
--- a/nixos/tests/networking.nix
+++ b/nixos/tests/networking.nix
@@ -467,7 +467,7 @@ let
 
         # Wait for networking to come up
         $machine->start;
-        $machine->waitForUnit("network.target");
+        $machine->waitForUnit("network-online.target");
 
         # Test interfaces set up
         my $list = $machine->succeed("ip tuntap list | sort");
@@ -479,7 +479,9 @@ let
 
         # Test interfaces clean up
         $machine->succeed("systemctl stop network-addresses-tap0");
+        $machine->sleep(10);
         $machine->succeed("systemctl stop network-addresses-tun0");
+        $machine->sleep(10);
         my $residue = $machine->succeed("ip tuntap list");
         $residue eq "" or die(
           "Some virtual interface has not been properly cleaned:\n",