Port forward debugging

QemuVmManager.Services/VmManagementService.cs

@@ -380,17 +380,27 @@ public class VmManagementService
             try
             {
                 var json = File.ReadAllText(configFile);
+                Console.WriteLine($"Loading config from {configFile}");
+                Console.WriteLine($"JSON content: {json}");
+                
                 var config = JsonSerializer.Deserialize<VmConfiguration>(json);
                 
                 if (config != null && !string.IsNullOrWhiteSpace(config.Name))
                 {
+                    Console.WriteLine($"Successfully loaded VM: {config.Name}");
+                    Console.WriteLine($"Network interfaces count: {config.Network?.Interfaces?.Count ?? 0}");
                     _vmConfigurations[config.Name] = config;
                 }
+                else
+                {
+                    Console.WriteLine($"Failed to deserialize config from {configFile}: config is null or has no name");
+                }
             }
             catch (Exception ex)
             {
                 // Log error but continue loading other configurations
                 Console.WriteLine($"Failed to load configuration from {configFile}: {ex.Message}");
+                Console.WriteLine($"Exception details: {ex}");
             }
         }
     }