Merge pull request #4678 from BaronGreenback/network_routing_fix_17.0rc

Change logging level and message in NetworkManager

(cherry picked from commit 885d42cb65607655105ac0273cd960fa4358145b)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

Jellyfin.Networking/Manager/NetworkManager.cs

@@ -1314,9 +1314,7 @@ namespace Jellyfin.Networking.Manager
                 return true;
             }
 
-            // Have to return something, so return an internal address
-
-            _logger.LogWarning("{Source}: External request received, however, no WAN interface found.", source);
+            _logger.LogDebug("{Source}: External request received, but no WAN interface found. Need to route through internal network.", source);
             return false;
         }
     }