The following cloud-init modules are currently unsupported on this OS:
 - apt_configure ('apt')
 - apt_pipelining
 - apt_update
 - apt_upgrade
 - apt_reboot_if_required
 - byobu ('byobu_by_default' option)
 - chef
 - grub_dpkg
 - ca_certs
 - emit_upstart
 - cc_ntp
 - ssh_import_id