[Kernel-packages] [Bug 1838839] [NEW] Install of custom kernel fails after recent dkms update

Public bug reported: Release: Ubuntu 16.04.6 LTS (xenial) Upgrading dkms from 2.2.0.3-2ubuntu11.6 to 2.2.0.3-2ubuntu11.7 (the "fix" for https://bugs.launchpad.net/ubuntu/+source/dkms/+bug/1827697) breaks installation of custom kernels again, as it undoes the fixes done for bug https://bugs.launch

[Kernel-packages] [Bug 1827697] Re: Enroll key whiptail prompt blocks kernel header package upgrades

The fix here breaks installing custom kernels, at least on xenial (dkms (2.2.0.3-2ubuntu11.7) xenial): the redirection of stdout was to there to fix a problem with dkms output contaminating debconf's input - see #292606 for details. To be specific, during package install (either via dpkg or apt-get