package hostname-image-4.3.0-2-generic 4.3.0-2.11 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 2

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The first thing that happened after logging into Ubuntu 16.04 Alpha 1.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: linux-image-4.3.0-2-generic 4.3.0-2.11
ProcVersionSignature: Ubuntu 4.3.0-2.11-generic 4.3.0
Uname: Linux 4.3.0-2-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.19.3-0ubuntu2
Architecture: amd64
Date: Mon Jan 4 17:16:08 2016
ErrorMessage: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 2
HibernationDevice: RESUME=UUID=1cf68666-7fa2-461b-a256-6fb2a9218564
InstallationDate: Installed on 2015-10-22 (75 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Gigabyte Technology Co., Ltd. Z87N-WIFI
ProcFB:
 0 EFI VGA
 1 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.3.0-2-generic.efi.signed root=UUID=009fc278-decc-43f7-ae4d-287af981c93f ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: grub-pc N/A
SourcePackage: initramfs-tools
Title: package hostname-image-4.3.0-2-generic 4.3.0-2.11 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 2
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to xenial on 2016-01-04 (0 days ago)
dmi.bios.date: 08/03/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F4
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z87N-WIFI
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4:bd08/03/2013:svnGigabyteTechnologyCo.,Ltd.:pnZ87N-WIFI:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87N-WIFI:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Z87N-WIFI
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.