Ceph » rgw

https://sentry.ceph.com/organizations/ceph/issues/7756/

RuntimeError: An attempt to upgrade from a higher version to a lower one will always fail. Hint: check tags in the target git branch.
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  File "teuthology/run_tasks.py", line 70, in run_one_task
    return task(**kwargs)
  File "teuthology/task/sequential.py", line 49, in task
    mgr.__enter__()
  File "contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "teuthology/task/install/__init__.py", line 405, in upgrade
    upgrade_common(ctx, config, upgrade_old_style)
  File "teuthology/task/install/__init__.py", line 345, in upgrade_common
    "An attempt to upgrade from a higher version to a lower one "