package snapd 2.48.3+20.04 failed to install/upgrade: installed snapd package post-removal script subprocess returned error exit status 1

[Sugat Bajracharya]

when trying out ubuntu unity

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: snapd 2.48.3+20.04
ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-43-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.16
AptOrdering:
 gnome-software-plugin-snap:amd64: Purge
 snapd:amd64: Purge
 NULL: ConfigurePending
 NULL: PurgePending
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: skip
CasperVersion: 1.445.1
Date: Fri Feb 12 10:55:54 2021
Df:
 Filesystem 1K-blocks Used Available Use% Mounted on
 tmpfs 1616660 53104 1563556 4% /run
 udev 8031808 0 8031808 0% /dev
ErrorMessage: installed snapd package post-removal script subprocess returned error exit status 1
LiveMediaBuild: Ubuntu Unity 20.04
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.4
SourcePackage: snapd
Title: package snapd 2.48.3+20.04 failed to install/upgrade: installed snapd package post-removal script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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