This bug was fixed in the package flash-kernel - 3.98ubuntu11
--------------- flash-kernel (3.98ubuntu11) focal; urgency=medium
* Permit flash-kernel to workaround an inconsistent /boot directory when triggered prior to the kernel finishing its triggers (LP: #1861292)
-- Dave Jones <email address hidden> Wed, 29 Jan 2020 16:15:05 +0000
This bug was fixed in the package flash-kernel - 3.98ubuntu11
---------------
flash-kernel (3.98ubuntu11) focal; urgency=medium
* Permit flash-kernel to workaround an inconsistent /boot directory when
triggered prior to the kernel finishing its triggers (LP: #1861292)
-- Dave Jones <email address hidden> Wed, 29 Jan 2020 16:15:05 +0000