autostart after inet reconnect

[DRONE7]

You may suffer a substandard or noisy line hence the DLM resets....
https://support.zen.co.uk/kb/Knowledgeba...leid=11511

When would a change take place?

The DLM system collects data throughout the day and analyses it overnight. If a change is required this would cause a brief disconnection – which takes place between 3am and 6am in order to minimise the impact on users. 

https://community.bt.com/t5/ADSL-Copper-...-p/1861918

Either way it seems to be something to take up with your provider rather than something MoOde could fix...