System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.ExtensionNodeEventArgs.get_ExtensionObject () [0x00000] 
  at Do.Platform.Services.OnServiceChanged (System.Object sender, Mono.Addins.ExtensionNodeEventArgs e) [0x00000] 
  at Mono.Addins.ExtensionNode.add_ExtensionNodeChanged (Mono.Addins.ExtensionNodeEventHandler value) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
Error while getting object for node in path '/Do/Service'.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Exception: org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

  at INetworkManagerProxy.Get (System.String propname, System.String ) [0x00000] 
  at Do.Platform.Linux.NetworkService.get_State () [0x00000] 
  at Do.Platform.Linux.NetworkService.SetConnected () [0x00000] 
  at Do.Platform.Linux.NetworkService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance () [0x00000] 
  at Mono.Addins.InstanceExtensionNode.GetInstance (System.Type expectedType) [0x00000] 
  at Mono.Addins.ExtensionNode.GetChildObjects (System.Type arrayElementType, Boolean reuseCachedInstance) [0x00000] 
[Fatal 22:19:52.133] [Services] Service of type INetworkService not found. Using default service instead.