[Bug 1931810] Re: upgrade from 16.04 LTS to 18.04 failed

[jth]

*** This bug is a duplicate of bug 1773859 ***
    https://bugs.launchpad.net/bugs/1773859

** This bug has been marked a duplicate of bug 1773859
   Upgrades to 18.04 fail due to systemd-shim

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https://bugs.launchpad.net/bugs/1931810

Title:
  upgrade from 16.04 LTS to 18.04 failed

Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  Initial failure was:

  Removing systemd-shim (9-1bzr4ubuntu1) ...
  Removing 'diversion of /usr/share/dbus-1/system-services/org.freedesktop.systemdd1.service to /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd by systemd-shim'
  dpkg-divert: error: rename involves overwriting '/usr/share/dbus-1/system-servicces/org.freedesktop.systemd1.service' with  different file '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.serrvice.systemd', not allowed
  dpkg: error processing package systemd-shim (--remove):
   installed systemd-shim package post-removal script subprocess returned error exxit status 2
  Errors were encountered while processing:
   systemd-shim
  Traceback (most recent call last):
    File "/usr/share/apport/package_hook", line 15, in <module>
      import apport, apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
      from apport.fileutils import likely_packaged, get_recent_crashes
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference

  Original exception was:
  Traceback (most recent call last):
    File "/usr/share/apport/package_hook", line 15, in <module>
      import apport, apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference
  Exception during pm.DoInstall():  E:Sub-process /usr/bin/dpkg returned an error 
   code (1)
  Traceback (most recent call last):
    File "/usr/bin/apport-cli", line 23, in <module>
      from apport import unicode_gettext as _
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in appor
  rt_excepthook
      from apport.fileutils import likely_packaged, get_recent_crashes
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference

  Original exception was:
  Traceback (most recent call last):
    File "/usr/bin/apport-cli", line 23, in <module>
      from apport import unicode_gettext as _
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 25, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-36m-x86_64-linux-gnu.so: symbol _ZN13debListParser12ParseDependsEPKcS1_RNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RjRKbSB_SB_RKS7_ version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference

  Could not install the upgrades

  The upgrade has aborted. Your system could be in an unusable state. A 
  recovery will run now (dpkg --configure -a). 

  After reboot a 18.04.5 promt is shown, network is down.

  root at xxx> ifup eth0

  /sbin/dhclient: error while loading shared libraries: libdns-
  export.so.1100: cannot open shared object file: No such file or
  directory

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