instance faults overriden by: format requires a mapping error

The instance faults table is reporting the incorrect error:

format requires a mappingformat requires a mapping
  File "/usr/lib/python2.6/dist-packages/nova/compute/manager.py", line 171, in decorated_function
    return function(self, context, instance_uuid, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/nova/compute/manager.py", line 644, in run_instance
    self._run_instance(context, instance_uuid, **kwargs)
  File "/usr/lib/python2.6/dist-packages/nova/compute/manager.py", line 443, in _run_instance
    self._shutdown_instance_even_if_deleted(context, instance_uuid)
  File "/usr/lib/python2.6/dist-packages/nova/compute/manager.py", line 403, in _shutdown_instance_even_if_deleted
    "instance"), instance=instance_uuid)
  File "/usr/lib/python2.6/logging/__init__.py", line 1336, in exception
    msg, kwargs = self.process(msg, kwargs)
  File "/usr/lib/python2.6/dist-packages/nova/log.py", line 160, in process
    instance_extra = FLAGS.instance_format % instance

This is because there are a few log lines in compute manager passing instance=instance_uuid but it expects a dictionary.