- enable cloud-init
- make cloud-init handle the default/baked in networking configuration
- install and enable openssh-server for the installation only
- provide cloud.cfg that generates random installer user password
- disable subiquity on sclp_line0 line based console
Remove wants from local-fs.target, add wants from the uuid device instead.
Tested by applying these changes from pre-pivot-root by modifying
/root files in place whilst booting with break=bottom.