package libc6:amd64 2.31-0ubuntu9 failed to install/upgrade: installed libc6:amd64 package post-installation script subprocess returned error exit status 1

[Anup Murarka]

Upgrading from Ubuntu 18.04 to 20.04 on WSL using Ubuntu app on Windows 10 (no app version)

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libc6:amd64 2.31-0ubuntu9
ProcVersionSignature: Microsoft 4.4.0-18362.836-Microsoft 4.4.35
Uname: Linux 4.4.0-18362-Microsoft x86_64
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
Date: Sat Sep 5 16:29:58 2020
Dmesg: [ 0.002707] Microsoft 4.4.0-18362.836-Microsoft 4.4.35
ErrorMessage: installed libc6:amd64 package post-installation script subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.6.12ubuntu0.1
SourcePackage: glibc
Title: package libc6:amd64 2.31-0ubuntu9 failed to install/upgrade: installed libc6:amd64 package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2020-09-05 (0 days ago)