package nvidia-dkms-455 455.38-0ubuntu0.20.04.1 failed to install/upgrade: installed nvidia-dkms-455 package post-installation script subprocess returned error exit status 10

[Hrishikesh Pale]

what happened:
==============
updated kernel from 5.4 to 5.10.4, reinstalled nvidia-driver-455 and it failed

details:
=========
lsb_release -rd
Description: Ubuntu 20.04.1 LTS
Release: 20.04

apt-cache policy nvidia-driver-455
nvidia-driver-455:
  Installed: 455.38-0ubuntu0.20.04.1
  Candidate: 455.38-0ubuntu0.20.04.1
  Version table:
 *** 455.38-0ubuntu0.20.04.1 500
        500 http://in.archive.ubuntu.com/ubuntu focal-updates/multiverse amd64 Packages
        100 /var/lib/dpkg/status

what should happen:
==================
install successfully

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: nvidia-dkms-455 455.38-0ubuntu0.20.04.1
Uname: Linux 5.10.4-051004-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sun Jan 3 00:38:29 2021
ErrorMessage: installed nvidia-dkms-455 package post-installation script subprocess returned error exit status 10
InstallationDate: Installed on 2020-12-27 (6 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.2
SourcePackage: nvidia-graphics-drivers-455
Title: package nvidia-dkms-455 455.38-0ubuntu0.20.04.1 failed to install/upgrade: installed nvidia-dkms-455 package post-installation script subprocess returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Next Rank (bigmeme)]

This happened to me as well on Kubuntu 20.10. This bug seems to be upstream.