"ERROR: hook /usr/share/apport/general-hooks/ubuntu.py crashed:" due to missing /etc/system-image/config.d

[Karl-Philipp Richter]

Steps to reproduce:

    $ ubuntu-bug apport
    usage: system-image-cli [-h] [--version] [-C DIRECTORY] [-b BUILD]
                            [-c CHANNEL] [-d DEVICE] [-f FILTER] [-g]
                            [--no-reboot] [-i] [-n] [-v] [--progress PROGRESS]
                            [-p PERCENTAGE] [--list-channels] [--factory-reset]
                            [--production-reset] [--switch CHANNEL]
                            [--show-settings] [--set KEY=VAL] [--get KEY]
                            [--del KEY]
    system-image-cli: error:
    Configuration directory not found: /etc/system-image/config.d
    ERROR: hook /usr/share/apport/general-hooks/ubuntu.py crashed:
    Traceback (most recent call last):
      File "/usr/local/lib/python2.7/dist-packages/apport/report.py", line 197, in _run_hook
        symb['add_info'](report, ui)
      File "/usr/share/apport/general-hooks/ubuntu.py", line 105, in add_info
        apport.hookutils.attach_upstart_logs(report, package)
    AttributeError: 'module' object has no attribute 'attach_upstart_logs'

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: apport 2.19.1-0ubuntu4
Uname: Linux 4.2.5-040205-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
Date: Tue Nov 3 15:32:07 2015
InstallationDate: Installed on 2015-09-14 (49 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: apport
SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit code 2:
UpgradeStatus: Upgraded to wily on 2015-10-23 (11 days ago)