The cloud-init commits provoking this new behavior / issue were reverted as part of https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/2039505/comments/1.
The cloud-init commits provoking this new behavior / issue were reverted as part of https:/ /bugs.launchpad .net/ubuntu/ +source/ cloud-init/ +bug/2039505/ comments/ 1.