Comment 1 for bug 1894866

Saw again with this run: https://solutions.qa.canonical.com/openstack/testRun/64429282-ba38-4a59-9e1f-523c3abd8acf

Keystone logs are full of:

(keystone.server.flask.application): 2020-09-15 17:10:13,479 WARNING Could not find domain: admin_domain.
...
(keystone.server.flask.application): 2020-09-15 17:12:38,122 WARNING Could not find domain: Default.
...
(py.warnings): 2020-09-15 17:10:14,728 WARNING /usr/lib/python3/dist-packages/oslo_policy/policy.py:1007: UserWarning: Policy identity:create_grant failed scope check. The token used to make the request
was project scoped but the policy requires ['system', 'domain'] scope. This behavior may change in the future where using the intended scope is required
  warnings.warn(msg)
...