Hello,
yes, I managed to successfully complete the update.

thanks
Luca

On Fri, May 14, 2021 at 11:11 PM Brian Murray <email address hidden>
wrote:

> Thanks for taking the time to report this upgrade failure. There is
> currently a new version of the release upgrader available in -proposed
> which may resolve the error you've encountered. Please run the following
> command to test the new version of the upgrader:
>
>   do-release-upgrade -p
>
> Please lets us know the results in this bug report. Thanks again and
> good luck!
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
>        Status: New => Incomplete
>
> ** Tags added: lp-1928397
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1926876
>
> Title:
>   issues upgrading from 18.04.05 LTS to 20.04.02
>
> Status in ubuntu-release-upgrader package in Ubuntu:
>   Incomplete
>
> Bug description:
>   $ cat /var/log/dist-upgrade/apt.log | grep Holding
>     Holding Back libpython2-stdlib:amd64 rather than change
> libpython-stdlib:amd64
>     Holding Back python2-minimal:amd64 rather than change
> python-minimal:amd64
>     Holding Back python2:amd64 rather than change python2-minimal:amd64
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-six:amd64 rather than change python2:any:any
>     Holding Back python-gobject-2:amd64 rather than change python2:amd64
>     Holding Back python-pkg-resources:amd64 rather than change
> python2:any:any
>     Holding Back python-dbus:amd64 rather than change python2:amd64
>     Holding Back python-cairo:amd64 rather than change python2:amd64
>     Holding Back python-cryptography:amd64 rather than change python2:amd64
>     Holding Back python-ipaddress:amd64 rather than change python2:any:any
>     Holding Back python-enum34:amd64 rather than change python2:any:any
>     Holding Back python-pyasn1:amd64 rather than change python2:any:any
>     Holding Back python-xdg:amd64 rather than change python2:any:any
>     Holding Back python-html5lib:amd64 rather than change python2:any:any
>     Holding Back python-chardet:amd64 rather than change python2:any:any
>     Holding Back python-openssl:amd64 rather than change
> python-cryptography:amd64
>     Holding Back python-idna:amd64 rather than change python2:any:any
>     Holding Back python-lxml:amd64 rather than change python2:amd64
>     Holding Back python-bs4:amd64 rather than change python2:any:any
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-attr:amd64 rather than change python2:any:any
>     Holding Back python-webencodings:amd64 rather than change
> python2:any:any
>     Holding Back python-olefile:amd64 rather than change python2:any:any
>     Holding Back python-zope.interface:amd64 rather than change
> python2:amd64
>     Holding Back python-crypto:amd64 rather than change python2:amd64
>     Holding Back python-pil:amd64 rather than change python2:amd64
>     Holding Back python-gobject:amd64 rather than change python-gi:amd64
>     Holding Back python-blinker:amd64 rather than change python2:any:any
>     Holding Back python-hyperlink:amd64 rather than change python2:any:any
>     Holding Back python-pam:amd64 rather than change python2:amd64
>     Holding Back python-constantly:amd64 rather than change python2:any:any
>     Holding Back python-automat:amd64 rather than change python2:any:any
>     Holding Back python-debian:amd64 rather than change python2:any:any
>     Holding Back python-pyasn1-modules:amd64 rather than change
> python2:any:any
>     Holding Back python-service-identity:amd64 rather than change
> python2:any:any
>     Holding Back libfaudio0:i386 rather than change libavcodec58:i386
>     Holding Back python-gi-cairo:amd64 rather than change python-gi:amd64
>     Holding Back python-monotonic:amd64 rather than change python2:any:any
>     Holding Back python-entrypoints:amd64 rather than change
> python2:any:any
>     Holding Back python-xapian:amd64 rather than change python2:amd64
>     Holding Back python-setuptools:amd64 rather than change
> python-pkg-resources:amd64
>     Holding Back python-gdbm:amd64 rather than change python2:amd64
>     Holding Back python-soupsieve:amd64 rather than change python2:any:any
>     Holding Back python-libxml2:amd64 rather than change python2:amd64
>     Holding Back python-ptyprocess:amd64 rather than change python2:any:any
>     Holding Back python-keyring:amd64 rather than change
> python-entrypoints:amd64
>     Holding Back python-numpy:amd64 rather than change python2:amd64
>     Holding Back python-dateutil:amd64 rather than change python2:any:any
>     Holding Back python-wxversion:amd64 rather than change python2:any:any
>     Holding Back python-cffi-backend:amd64 rather than change python2:amd64
>     Holding Back python-backports.functools-lru-cache:amd64 rather than
> change python2:any:any
>     Holding Back python-asn1crypto:amd64 rather than change python2:any:any
>     Holding Back python-dnspython:amd64 rather than change python2:any:any
>     Holding Back python-yaml:amd64 rather than change python2:amd64
>     Holding Back python-tk:amd64 rather than change python2:amd64
>     Holding Back python-tz:amd64 rather than change python2:any:any
>     Holding Back python-sip:amd64 rather than change python2:amd64
>     Holding Back python-configparser:amd64 rather than change
> python2:any:any
>     Holding Back python-pexpect:amd64 rather than change python2:any:any
>     Holding Back python-wxgtk3.0:amd64 rather than change python2:amd64
>     Holding Back python-lockfile:amd64 rather than change python2:any:any
>     Holding Back python-pycurl:amd64 rather than change python2:amd64
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>     Holding Back python-gi:amd64 rather than change python2:amd64
>     Holding Back python-httplib2:amd64 rather than change python2:any:any
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 18.04
>   Package: ubuntu-release-upgrader-core 1:18.04.44
>   ProcVersionSignature: Ubuntu 4.15.0-139.143-generic 4.15.18
>   Uname: Linux 4.15.0-139-generic x86_64
>   NonfreeKernelModules: lkp_Ubuntu_4_15_0_139_143_generic_76
> nvidia_modeset nvidia
>   ApportVersion: 2.20.9-0ubuntu7.23
>   Architecture: amd64
>   CrashDB: ubuntu
>   CurrentDesktop: ubuntu:GNOME
>   Date: Sun May  2 11:58:13 2021
>   InstallationDate: Installed on 2014-08-08 (2458 days ago)
>   InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
> (20140722.2)
>   PackageArchitecture: all
>   SourcePackage: ubuntu-release-upgrader
>   UpgradeStatus: Upgraded to bionic on 2021-05-02 (0 days ago)
>   VarLogDistupgradeTermlog:
>
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