This is a result of 'ebs' type being dropped for xenial, and replaced with ebs-ssd, as seen comparing
http://cloud-images.ubuntu.com/query/xenial/server/released.txt to https://cloud-images.ubuntu.com/query/trusty/server/released.current.txt I believe that change was by design.
The change necessary to ubuntu-cloudimg-query is attached.
This is a result of 'ebs' type being dropped for xenial, and replaced with ebs-ssd, as seen comparing
http:// cloud-images. ubuntu. com/query/ xenial/ server/ released. txt /cloud- images. ubuntu. com/query/ trusty/ server/ released. current. txt
to
https:/
I believe that change was by design.
The change necessary to ubuntu- cloudimg- query is attached.