Comment 0 for bug 1770579

This happens when I tried to setup boot key during 18.04 upgrade.
Exits with Error code 2

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: shim-signed 1.34.9+13-0ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Wed May 9 20:01:47 2018
EFITables:
 May 11 23:30:27 dheepan-tower kernel: efi: EFI v2.40 by American Megatrends
 May 11 23:30:27 dheepan-tower kernel: efi: ESRT=0xbfed1d98 ACPI=0xbe576000 ACPI 2.0=0xbe576000 SMBIOS=0xbfed0000 SMBIOS 3.0=0xbfecf000 MPS=0xfc9e0
 May 11 23:30:27 dheepan-tower kernel: secureboot: Secure boot disabled
 May 11 23:30:27 dheepan-tower kernel: esrt: Reserving ESRT space from 0x00000000bfed1d98 to 0x00000000bfed1dd0.
ErrorMessage: installed shim-signed package post-installation script subprocess returned error exit status 2
InstallationDate: Installed on 2017-11-18 (173 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MokSBStateRT: 6 0 0 0 1
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SecureBoot: 6 0 0 0 1
SourcePackage: shim-signed
Title: package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 2
UpgradeStatus: Upgraded to bionic on 2018-05-09 (1 days ago)