{
    "nova_object.version": "1.1",
    "nova_object.namespace": "nova",
    "nova_object.name": "ExceptionPayload",
    "nova_object.data": {
        "function_name": "_schedule_instances",
        "module_name": "nova.conductor.manager",
        "exception": "NoValidHost",
        "exception_message": "No valid host was found. There are not enough hosts available.",
        "traceback": "Traceback (most recent call last):\n  File \"nova/conductor/manager.py\", line ..."
    }
}