This bug was fixed in the package plymouth - 0.9.2-3ubuntu13.2
--------------- plymouth (0.9.2-3ubuntu13.2) xenial; urgency=medium
* Remove dependency on initramfs-tools | dracut. LP: #1716825.
-- Steve Langasek <email address hidden> Tue, 12 Sep 2017 22:25:47 -0700
This bug was fixed in the package plymouth - 0.9.2-3ubuntu13.2
---------------
plymouth (0.9.2-3ubuntu13.2) xenial; urgency=medium
* Remove dependency on initramfs-tools | dracut. LP: #1716825.
-- Steve Langasek <email address hidden> Tue, 12 Sep 2017 22:25:47 -0700