2020-09-09 10:57:01,259 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-09-09 10:57:01,260 INFO uname information: 'Linux superk 4.15.0-117-generic #118-Ubuntu SMP Fri Sep 4 20:02:41 UTC 2020 x86_64'
2020-09-09 10:57:01,826 INFO apt version: '1.6.12ubuntu0.1'
2020-09-09 10:57:01,826 INFO python version: '3.6.9 (default, Jul 17 2020, 12:50:27) 
[GCC 8.4.0]'
2020-09-09 10:57:01,831 INFO release-upgrader version '20.04.25' started
2020-09-09 10:57:01,918 INFO locale: 'en_US' 'UTF-8'
2020-09-09 10:57:02,313 DEBUG Using 'DistUpgradeViewGtk3' view
2020-09-09 10:57:02,381 DEBUG enable dpkg --force-overwrite
2020-09-09 10:57:02,402 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2020-09-09 10:57:09,204 DEBUG lsb-release: 'bionic'
2020-09-09 10:57:09,206 DEBUG _pythonSymlinkCheck run
2020-09-09 10:57:09,208 DEBUG openCache()
2020-09-09 10:57:09,208 DEBUG quirks: running PreCacheOpen
2020-09-09 10:57:09,209 DEBUG running Quirks.PreCacheOpen
2020-09-09 10:57:11,076 DEBUG Comparing 4.15.0-115 with 
2020-09-09 10:57:11,077 DEBUG Comparing 4.15.0-117 with 4.15.0-115
2020-09-09 10:57:11,654 DEBUG /openCache(), new cache size 99554
2020-09-09 10:57:11,656 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-mate-core')
2020-09-09 10:57:11,657 DEBUG checkViewDepends()
2020-09-09 10:57:11,659 DEBUG running doUpdate() (showErrors=False)
2020-09-09 10:57:13,637 DEBUG openCache()
2020-09-09 10:57:16,170 DEBUG Comparing 4.15.0-115 with 
2020-09-09 10:57:16,171 DEBUG Comparing 4.15.0-117 with 4.15.0-115
2020-09-09 10:57:16,805 DEBUG /openCache(), new cache size 99554
2020-09-09 10:57:16,805 DEBUG doPostInitialUpdate
2020-09-09 10:57:16,805 DEBUG quirks: running focalPostInitialUpdate
2020-09-09 10:57:16,806 DEBUG running Quirks.focalPostInitialUpdate
2020-09-09 10:57:23,585 DEBUG MetaPkgs: ubuntu-mate-core
2020-09-09 10:57:30,162 DEBUG Foreign: 
2020-09-09 10:57:30,162 DEBUG Obsolete: atom containerd.io cuda-repo-ubuntu1604-8-0-local-cublas-performance-update cuda-repo-ubuntu1604-8-0-local-ga2 cuda-repo-ubuntu1804-10-1-local-10.1.243-418.87.00 cuda-repo-ubuntu1804-11-0-local docker-ce docker-ce-cli gcc-9-base gitkraken google-chrome-stable libncurses6 libncursesw6 libprocps7 libtinfo6 teamviewer:i386 virtualgl yandex-browser-beta
2020-09-09 10:57:30,165 DEBUG updateSourcesList()
2020-09-09 10:57:31,372 DEBUG rewriteSourcesList() with mirror_check
2020-09-09 10:57:31,373 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2020-09-09 10:57:31,373 DEBUG Checking pkg: ubuntu-minimal
2020-09-09 10:57:31,378 DEBUG Checking pkg: ubuntu-standard
2020-09-09 10:57:31,382 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic main universe restricted multiverse'
2020-09-09 10:57:31,382 DEBUG verifySourcesListEntry: deb http://archive.ubuntu.com/ubuntu focal main universe restricted multiverse
2020-09-09 10:57:31,383 DEBUG url_downloadable: http://archive.ubuntu.com/ubuntu/dists/focal/Release
2020-09-09 10:57:31,383 DEBUG s='http' n='archive.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-09-09 10:57:31,565 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal main universe restricted multiverse' updated to new dist
2020-09-09 10:57:31,566 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic main universe restricted multiverse #Added by software-properties'
2020-09-09 10:57:31,566 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal main universe restricted multiverse #Added by software-properties' updated to new dist
2020-09-09 10:57:31,566 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu/ bionic-security universe multiverse main restricted'
2020-09-09 10:57:31,566 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu/ focal universe multiverse main restricted
2020-09-09 10:57:31,567 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu//dists/focal/Release
2020-09-09 10:57:31,567 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f=''
2020-09-09 10:57:31,734 DEBUG entry 'deb http://security.ubuntu.com/ubuntu/ focal-security universe multiverse main restricted' updated to new dist
2020-09-09 10:57:31,734 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates universe multiverse main restricted'
2020-09-09 10:57:31,735 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates universe multiverse main restricted' updated to new dist
2020-09-09 10:57:31,735 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-backports universe multiverse main restricted'
2020-09-09 10:57:31,735 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-backports universe multiverse main restricted' updated to new dist
2020-09-09 10:57:31,739 DEBUG running doUpdate() (showErrors=True)
2020-09-09 10:58:23,663 DEBUG openCache()
2020-09-09 10:58:25,074 DEBUG Comparing 4.15.0-115 with 
2020-09-09 10:58:25,075 DEBUG Comparing 4.15.0-117 with 4.15.0-115
2020-09-09 10:58:25,471 DEBUG /openCache(), new cache size 66500
2020-09-09 10:58:25,473 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-mate-core')
2020-09-09 10:58:25,474 DEBUG quirks: running PreDistUpgradeCache
2020-09-09 10:58:25,475 DEBUG running Quirks.PreDistUpgradeCache
2020-09-09 10:58:25,475 INFO installing python-is-python2 because python-minimal was installed
2020-09-09 10:58:25,475 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)