package systemd 234-2ubuntu12.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Andy « Cubox » Pilate]

Error when trying to upgrade from xenial to artful with a do-release-upgrade
Inside a Windows subsystem Ubuntu

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: systemd 234-2ubuntu12.3
ProcVersionSignature: Microsoft 4.4.0-43-Microsoft 4.4.35
Uname: Linux 4.4.0-43-Microsoft x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Function not implemented
Date: Sun Apr 29 21:39:01 2018
Dmesg:

ErrorMessage: subprocess installed post-installation script returned error exit status 1
Lsusb: Error: command ['lsusb'] failed with exit code 1:
ProcInterrupts:

ProcKernelCmdLine: BOOT_IMAGE=/kernel init=/init ro
ProcModules: Error: command ['sort', '/proc/modules'] failed with exit code 2: sort: cannot read: /proc/modules: No such file or directory
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.2.24
SourcePackage: systemd
Title: package systemd 234-2ubuntu12.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2018-04-29 (0 days ago)