For one, ensure a unique machine-id. Broadly should be done, but critical for bonds to have unique mac
addressses in event of booting a captured image.
Fix ubuntu slow boot due to waiting forever for a network config. Have the transient network config bake into netplan for
a first pass before confignet comes along to do full configuration.
Clean up spurious error messages about grep true: and device busy on mounting overlay.
Needed the real losetup to handle read-only file.
busybox wc is way too slow, use ls instead.
Explicitly make /sysroot and load xfs, as that doesn't happen implicitly.
Accept a dangling symlink as viable init, since this is the case in Ubuntu.
Update hostname and ca certificates consistent with
ubuntu standards
Jarrod Johnson