2022-05-05 13:10 CET - Starting with 9:10 CET it could happen that a parent job (orchestration or orchestration phase) ends with success even though the child jobs are still running. The child jobs will finish their work normally, but things may appear out of sync in case of nested or chained orchestrations.
The issue is fixed for Azure stacks since 12:50 CET, the fix for AWS stacks is under way.
UPDATE 2022-05-05 14:33 CET - We discovered one of the manifestations may be that all the phases started at once.
UPDATE 2022-05-05 23:30 CET - The issue is fixed since 12:50 CET.