'Validate console port with child cell compute node.'

def validate_console_port(self, ctxt, cell_name, instance_uuid, console_port, console_type):

    method_kwargs = {'instance_uuid': instance_uuid, 'console_port': console_port, 'console_type': console_type}
    message = _TargetedMessage(self, ctxt, 'validate_console_port', method_kwargs, 'down', cell_name, need_response=True)
    return message.process()
