As described in the comment, we need to create the /etc/machine-id for
the image-based build when systemd isn't updated (as is usually the
case for a new distro)
Work on clearing this out continues, but this brings it to parity with
fedora-minimal.
Change-Id: Icbbbabb4114d4d95909648d8e39a6bae6d2a7b7b
Depends-On: I761e425f8a658669d9b8a70ce4260cec263ea51a
