Attempts to instantiate annotations marks model dirty (e.g., opening a deployment)
This happens also if all required annotations already exist.
The effect observable by a user is that every time a model is opened, it is marked dirty (a ‘*’ in the editor title), and the problem re-occurs every time AF3 is restarted.
(from redmine: issue id 2449, created on 2015-11-23, closed on 2015-11-23)