Code review comment for ~raharper/cloud-init:feature/update-ntp-spec

> If you've got some changes to make the validation check tighter, I'm happy to
> have those; and I agree that if status --long can emit exactly the error
> that's really nice.

Here's some tested code I ran on lxc's with sparse/incorrect user-data. it tightens up the error reporting so cloud-init status --long gives you an actionable traceback.
http://paste.ubuntu.com/p/dcKcYrM5ty/