I think this might be caused in the order in which you are setting the MTU. That would be an issue with MAAS if its updating the parent incorrectly.
Can you provide the exact order of the API calls that you are performing? You also say that one node was correct and the other was incorrect. What did you do differently to get one correct and the other incorrect?
I think this might be caused in the order in which you are setting the MTU. That would be an issue with MAAS if its updating the parent incorrectly.
Can you provide the exact order of the API calls that you are performing? You also say that one node was correct and the other was incorrect. What did you do differently to get one correct and the other incorrect?