From 277610bf27fdfea07fb5f7c9c0e6f73db5de6827 Mon Sep 17 00:00:00 2001
From: Tim Wilkinson <tim.j.wilkinson@gmail.com>
Date: Fri, 14 Oct 2022 13:29:40 -0700
Subject: [PATCH] Fix new mac extraction code in LQM was breaking for tunnels
 (#525)

---
 files/usr/local/bin/mgr/lqm.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/files/usr/local/bin/mgr/lqm.lua b/files/usr/local/bin/mgr/lqm.lua
index e1c24e1b..9c58b0f4 100755
--- a/files/usr/local/bin/mgr/lqm.lua
+++ b/files/usr/local/bin/mgr/lqm.lua
@@ -231,7 +231,7 @@ function lqm()
         -- Know our macs so we can exclude them
         local our_macs = {}
         for _, i in ipairs(nixio.getifaddrs()) do
-            if i.family == "packet" then
+            if i.family == "packet" and i.addr then
                 our_macs[i.addr] = true
             end
         end