This bug was fixed in the package plymouth - 0.9.2-3ubuntu15.1
--------------- plymouth (0.9.2-3ubuntu15.1) zesty; urgency=medium
* Remove dependency on initramfs-tools | dracut. LP: #1716825.
-- Steve Langasek <email address hidden> Tue, 12 Sep 2017 22:19:01 -0700
This bug was fixed in the package plymouth - 0.9.2-3ubuntu15.1
---------------
plymouth (0.9.2-3ubuntu15.1) zesty; urgency=medium
* Remove dependency on initramfs-tools | dracut. LP: #1716825.
-- Steve Langasek <email address hidden> Tue, 12 Sep 2017 22:19:01 -0700