package udev 225-1ubuntu9.1 [modified: lib/systemd/system/lvm2.service] failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Chelmite]

Mysterious death during upgrade from 15.10 to 16.04.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: udev 225-1ubuntu9.1 [modified: lib/systemd/system/lvm2.service]
ProcVersionSignature: Ubuntu 4.2.0-37.43-generic 4.2.8-ckt10
Uname: Linux 4.2.0-37-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CustomUdevRuleFiles: 60-vboxdrv.rules 51-android.rules 99-lexscan.rules
Date: Tue May 24 17:52:48 2016
DuplicateSignature: package:udev:225-1ubuntu9.1 [modified: lib/systemd/system/lvm2.service]:subprocess new pre-removal script returned error exit status 1
ErrorMessage: subprocess new pre-removal script returned error exit status 1
InstallationDate: Installed on 2013-05-02 (1118 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: System76, Inc. Serval WS
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-37-generic root=UUID=1fc67f3a-3070-4bdf-b16d-81d1e5d68535 ro
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: systemd
Title: package udev 225-1ubuntu9.1 [modified: lib/systemd/system/lvm2.service] failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-05-25 (0 days ago)
dmi.bios.date: 10/26/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.05.04RS76
dmi.board.asset.tag: Tag 12345
dmi.board.name: Serval WS
dmi.board.vendor: System76, Inc.
dmi.board.version: serw9
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: System76, Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.05.04RS76:bd10/26/2015:svnSystem76,Inc.:pnServalWS:pvrserw9:rvnSystem76,Inc.:rnServalWS:rvrserw9:cvnSystem76,Inc.:ct10:cvrN/A:
dmi.product.name: Serval WS
dmi.product.version: serw9
dmi.sys.vendor: System76, Inc.