From 3a97acfb519824056966b9ab56ab0112d1513e07 Mon Sep 17 00:00:00 2001
From: Jeff <jeff@lokinet.io>
Date: Thu, 21 Jul 2022 07:19:43 -0400
Subject: [PATCH] this code needs to detect the first non-existing interface by
 name, not the first existing one. this remidies this. sorry testnet for
 breaking you

---
 llarp/net/net.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llarp/net/net.cpp b/llarp/net/net.cpp
index d8ef6698e..419a718fd 100644
--- a/llarp/net/net.cpp
+++ b/llarp/net/net.cpp
@@ -409,7 +409,7 @@ namespace llarp::net
       while (num < 255)
       {
         std::string ifname = fmt::format("lokitun{}", num);
-        if (GetInterfaceAddr(ifname, AF_INET))
+        if (GetInterfaceAddr(ifname, AF_INET) == std::nullopt)
           return ifname;
         num++;
       }