Comment 17 for bug 1714505

To clarify - if we don't SRU this, what do we tell Ubuntu users (including Canonical customers) who are encountering this problem on trusty, xenial, or zesty? Sorry, we aren't fixing this, you can't use your automated preseed install. Or, sorry, you'll have to upgrade to artful, or wait for the next xenial point release.

Neither sound very friendly to the Ubuntu user base.