package systemd 231-9git1 failed to install/upgrade: triggers looping, abandoned

Was trying to upgrade from 16.04 to 16.10 beta

ProblemType: Package
DistroRelease: Ubuntu 16.10
Package: systemd 231-9git1
Uname: Linux 4.7.3-040703-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Wed Oct 5 22:31:26 2016
ErrorMessage: triggers looping, abandoned
InstallationDate: Installed on 2016-09-13 (22 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 8087:0a2a Intel Corp.
 Bus 001 Device 002: ID 05c8:038e Cheng Uei Precision Industry Co., Ltd (Foxlink)
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP ENVY Notebook
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.7.3-040703-generic root=UUID=fa0986da-ae48-47e2-9e62-a8ef25ce5b73 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.10ubuntu1
 apt 1.3
SourcePackage: systemd
Title: package systemd 231-9git1 failed to install/upgrade: triggers looping, abandoned
UpgradeStatus: Upgraded to yakkety on 2016-10-05 (0 days ago)
dmi.bios.date: 07/20/2016
dmi.bios.vendor: Insyde
dmi.bios.version: F.21
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 81CC
dmi.board.vendor: HP
dmi.board.version: KBC Version 60.26
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.21:bd07/20/2016:svnHP:pnHPENVYNotebook:pvrType1ProductConfigId:rvnHP:rn81CC:rvrKBCVersion60.26:cvnHP:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY Notebook
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP