This bug was fixed in the package dkms - 2.3-3ubuntu2
--------------- dkms (2.3-3ubuntu2) artful; urgency=medium
* 0014-remove-initrd-backup.patch: When removing a kernel also remove related .old-dkms file from /boot. (LP: #1515513)
-- Brian Murray <email address hidden> Fri, 15 Sep 2017 15:33:17 -0700
This bug was fixed in the package dkms - 2.3-3ubuntu2
---------------
dkms (2.3-3ubuntu2) artful; urgency=medium
* 0014-remove- initrd- backup. patch: When removing a kernel also remove
related .old-dkms file from /boot. (LP: #1515513)
-- Brian Murray <email address hidden> Fri, 15 Sep 2017 15:33:17 -0700