From 49046f88cfa28284c64f9bfccc0c8deedec2b667 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sun, 1 Dec 2019 22:10:07 -0800
Subject: [PATCH] Ignore unknown MTUs

---
 app/backend/nvcomputer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/backend/nvcomputer.cpp b/app/backend/nvcomputer.cpp
index a9d3f431..8ea866f0 100644
--- a/app/backend/nvcomputer.cpp
+++ b/app/backend/nvcomputer.cpp
@@ -274,7 +274,7 @@ bool NvComputer::isReachableOverVpn()
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
                     qInfo() << "MTU is" << nic.maximumTransmissionUnit();
-                    if (nic.maximumTransmissionUnit() < 1500) {
+                    if (nic.maximumTransmissionUnit() != 0 && nic.maximumTransmissionUnit() < 1500) {
                         // Treat MTUs under 1500 as likely VPNs
                         return true;
                     }