package systemd 229-4ubuntu5 failed to install/upgrade: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 2

[Paul]

I just upgraded my release from ubuntu mate x64 15.10 to ubuntu mate x64 16.04.

Config :
Laptop LENOVO U41.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: systemd 229-4ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Thu May 19 12:45:49 2016
ErrorMessage: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 2
InstallationDate: Installed on 2016-04-18 (35 days ago)
InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: LENOVO 80JV
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic root=UUID=0e00b8ab-7597-43fb-a488-8c5548b91f52 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.10ubuntu1
SourcePackage: systemd
SystemdDelta:
 [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf
 [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf

 2 overridden configuration files found.
Title: package systemd 229-4ubuntu5 failed to install/upgrade: le sous-processus script pre-removal installé a retourné une erreur de sortie d'état 2
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/21/2015
dmi.bios.vendor: Lenovo
dmi.bios.version: BDCN61WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lenovo U41-70
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40700 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo U41-70
dmi.modalias: dmi:bvnLenovo:bvrBDCN61WW:bd07/21/2015:svnLENOVO:pn80JV:pvrLenovoU41-70:rvnLENOVO:rnLenovoU41-70:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoU41-70:
dmi.product.name: 80JV
dmi.product.version: Lenovo U41-70
dmi.sys.vendor: LENOVO