From b0bcf29d27f2464cc7d4a16848ac4cc0ab713aa0 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Wed, 23 Oct 2019 11:15:57 +0100
Subject: [PATCH] Allow ExecStartPre to fail for containers (#573)

---
 contrib/systemd/yggdrasil.service | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/systemd/yggdrasil.service b/contrib/systemd/yggdrasil.service
index 0223dd9..b48ff78 100644
--- a/contrib/systemd/yggdrasil.service
+++ b/contrib/systemd/yggdrasil.service
@@ -9,7 +9,7 @@ ProtectHome=true
 ProtectSystem=true
 SyslogIdentifier=yggdrasil
 CapabilityBoundSet=CAP_NET_ADMIN
-ExecStartPre=+/sbin/modprobe tun
+ExecStartPre=+-/sbin/modprobe tun
 ExecStartPre=/bin/sh -ec "if ! test -s /etc/yggdrasil.conf; \
                 then umask 077; \
                 yggdrasil -genconf > /etc/yggdrasil.conf; \