Catch exceptions in auto discovery (#11252)

src/Jellyfin.Networking/AutoDiscoveryHost.cs

@@ -77,6 +77,8 @@ public sealed class AutoDiscoveryHost : BackgroundService
     }
 
     private async Task ListenForAutoDiscoveryMessage(IPAddress address, CancellationToken cancellationToken)
+    {
+        try
         {
             using var udpClient = new UdpClient(new IPEndPoint(address, PortNumber));
             udpClient.MulticastLoopback = false;
@@ -96,10 +98,16 @@ public sealed class AutoDiscoveryHost : BackgroundService
                 {
                     _logger.LogError(ex, "Failed to receive data from socket");
                 }
+            }
+        }
         catch (OperationCanceledException)
         {
             _logger.LogDebug("Broadcast socket operation cancelled");
         }
+        catch (Exception ex)
+        {
+            // Exception in this function will prevent the background service from restarting in-process.
+            _logger.LogError(ex, "Unable to bind to {Address}:{Port}", address, PortNumber);
         }
     }