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

[Ethan Mills]

WSL2 upgrade from 18.04 to 20.04 using do-release-upgrade -d

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libc6:amd64 2.31-0ubuntu9
ProcVersionSignature: Microsoft 4.4.0-19041.1-Microsoft 4.4.35
Uname: Linux 4.4.0-19041-Microsoft x86_64
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
Date: Thu Sep 10 22:23:07 2020
Dmesg: [ 0.013106] Microsoft 4.4.0-19041.1-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: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
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 2020-09-10 (0 days ago)

[Ethan Mills (ethanm)]

Actually WSL1, which caused the error. Can be closed