2021-05-12 16:57:02,514 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2021-05-12 16:57:02,514 INFO uname information: 'Linux landscape 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14 16:10:11 UTC 2021 x86_64'
2021-05-12 16:57:02,891 INFO apt version: '1.6.13'
2021-05-12 16:57:02,891 INFO python version: '3.6.9 (default, Jan 26 2021, 15:33:00) 
[GCC 8.4.0]'
2021-05-12 16:57:02,894 INFO release-upgrader version '20.04.32' started
2021-05-12 16:57:02,900 INFO locale: 'en_US' 'UTF-8'
2021-05-12 16:57:02,975 DEBUG Using 'DistUpgradeViewText' view
2021-05-12 16:57:03,033 DEBUG enable dpkg --force-overwrite
2021-05-12 16:57:03,075 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2021-05-12 16:57:05,474 DEBUG lsb-release: 'bionic'
2021-05-12 16:57:05,475 DEBUG _pythonSymlinkCheck run
2021-05-12 16:57:05,475 DEBUG openCache()
2021-05-12 16:57:05,475 DEBUG quirks: running PreCacheOpen
2021-05-12 16:57:05,475 DEBUG running Quirks.PreCacheOpen
2021-05-12 16:57:06,401 DEBUG Comparing 4.15.0-115 with 
2021-05-12 16:57:06,402 DEBUG Comparing 4.15.0-122 with 4.15.0-115
2021-05-12 16:57:06,402 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2021-05-12 16:57:06,402 DEBUG Comparing 4.15.0-134 with 4.15.0-123
2021-05-12 16:57:06,402 DEBUG Comparing 4.15.0-140 with 4.15.0-134
2021-05-12 16:57:06,402 DEBUG Comparing 4.15.0-142 with 4.15.0-140
2021-05-12 16:57:06,403 DEBUG Comparing 4.15.0-143 with 4.15.0-142
2021-05-12 16:57:06,403 DEBUG Comparing 4.15.0-74 with 4.15.0-143
2021-05-12 16:57:06,404 DEBUG Comparing 4.15.0-76 with 4.15.0-143
2021-05-12 16:57:06,404 DEBUG Comparing 4.15.0-91 with 4.15.0-143
2021-05-12 16:57:06,659 DEBUG /openCache(), new cache size 71416
2021-05-12 16:57:06,660 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2021-05-12 16:57:06,660 DEBUG checkViewDepends()
2021-05-12 16:57:06,662 DEBUG running doUpdate() (showErrors=False)
2021-05-12 16:57:09,309 DEBUG openCache()
2021-05-12 16:57:10,274 DEBUG Comparing 4.15.0-115 with 
2021-05-12 16:57:10,274 DEBUG Comparing 4.15.0-122 with 4.15.0-115
2021-05-12 16:57:10,274 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2021-05-12 16:57:10,274 DEBUG Comparing 4.15.0-134 with 4.15.0-123
2021-05-12 16:57:10,275 DEBUG Comparing 4.15.0-140 with 4.15.0-134
2021-05-12 16:57:10,275 DEBUG Comparing 4.15.0-142 with 4.15.0-140
2021-05-12 16:57:10,275 DEBUG Comparing 4.15.0-143 with 4.15.0-142
2021-05-12 16:57:10,276 DEBUG Comparing 4.15.0-74 with 4.15.0-143
2021-05-12 16:57:10,276 DEBUG Comparing 4.15.0-76 with 4.15.0-143
2021-05-12 16:57:10,276 DEBUG Comparing 4.15.0-91 with 4.15.0-143
2021-05-12 16:57:10,550 DEBUG /openCache(), new cache size 71416
2021-05-12 16:57:10,550 DEBUG doPostInitialUpdate
2021-05-12 16:57:10,550 DEBUG quirks: running focalPostInitialUpdate
2021-05-12 16:57:10,550 DEBUG running Quirks.focalPostInitialUpdate
2021-05-12 16:57:14,124 WARNING error reading deb2snap.json file (Expected a string or a pair of strings)
2021-05-12 16:57:16,105 DEBUG MetaPkgs: 
2021-05-12 16:57:19,057 DEBUG no PkgRecord found for 'linux-image-4.15.0-126-generic', skipping 
2021-05-12 16:57:19,095 DEBUG no PkgRecord found for 'linux-modules-4.15.0-126-generic', skipping 
2021-05-12 16:57:19,608 DEBUG Foreign: do-agent landscape-client landscape-common landscape-hashids landscape-server landscape-server-quickstart libjs-yui3-common libjs-yui3-full libjs-yui3-min python-convoy python-pyjwkest python-pyoidc python-storm python-stripe python-talisker python-txamqp python-txaws python-txjuju python-txlongpoll
2021-05-12 16:57:19,608 DEBUG Obsolete: 
2021-05-12 16:57:19,609 DEBUG updateSourcesList()
2021-05-12 16:57:19,624 DEBUG rewriteSourcesList() with mirror_check
2021-05-12 16:57:19,625 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2021-05-12 16:57:19,625 DEBUG Checking pkg: ubuntu-minimal
2021-05-12 16:57:19,627 DEBUG Checking pkg: ubuntu-standard
2021-05-12 16:57:19,629 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic main restricted'
2021-05-12 16:57:19,630 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ focal main restricted # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,630 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates main restricted'
2021-05-12 16:57:19,632 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates main restricted # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,632 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic universe'
2021-05-12 16:57:19,633 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ focal universe # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,633 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates universe'
2021-05-12 16:57:19,634 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates universe # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,635 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic multiverse'
2021-05-12 16:57:19,636 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ focal multiverse # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,636 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates multiverse'
2021-05-12 16:57:19,638 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ bionic-updates multiverse # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,638 DEBUG examining: 'deb http://mirrors.digitalocean.com/ubuntu/ bionic-backports main restricted universe multiverse'
2021-05-12 16:57:19,639 DEBUG entry '# deb http://mirrors.digitalocean.com/ubuntu/ bionic-backports main restricted universe multiverse # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,639 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security main restricted'
2021-05-12 16:57:19,639 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu focal main restricted
2021-05-12 16:57:19,639 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu/dists/focal/Release
2021-05-12 16:57:19,640 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2021-05-12 16:57:19,792 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security main restricted' updated to new dist
2021-05-12 16:57:19,792 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security universe'
2021-05-12 16:57:19,792 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security universe' updated to new dist
2021-05-12 16:57:19,793 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security multiverse'
2021-05-12 16:57:19,793 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security multiverse' updated to new dist
2021-05-12 16:57:19,793 DEBUG examining: 'deb http://ppa.launchpad.net/landscape/19.01/ubuntu bionic main'
2021-05-12 16:57:19,794 DEBUG entry '# deb http://ppa.launchpad.net/landscape/19.01/ubuntu focal main # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,794 DEBUG examining: 'deb https://repos.insights.digitalocean.com/apt/do-agent main main'
2021-05-12 16:57:19,796 DEBUG entry '# deb https://repos.insights.digitalocean.com/apt/do-agent main main # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,796 DEBUG examining: 'deb http://ppa.launchpad.net/landscape/19.10/ubuntu bionic main'
2021-05-12 16:57:19,797 DEBUG entry '# deb http://ppa.launchpad.net/landscape/19.10/ubuntu focal main # disabled on upgrade to focal' was disabled (unknown mirror)
2021-05-12 16:57:19,797 ERROR No valid mirror found
2021-05-12 16:57:26,714 DEBUG abort called
2021-05-12 16:57:26,715 DEBUG openCache()
2021-05-12 16:57:29,220 DEBUG Comparing 4.15.0-115 with 
2021-05-12 16:57:29,221 DEBUG Comparing 4.15.0-122 with 4.15.0-115
2021-05-12 16:57:29,221 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2021-05-12 16:57:29,221 DEBUG Comparing 4.15.0-134 with 4.15.0-123
2021-05-12 16:57:29,221 DEBUG Comparing 4.15.0-140 with 4.15.0-134
2021-05-12 16:57:29,222 DEBUG Comparing 4.15.0-142 with 4.15.0-140
2021-05-12 16:57:29,222 DEBUG Comparing 4.15.0-143 with 4.15.0-142
2021-05-12 16:57:29,222 DEBUG Comparing 4.15.0-74 with 4.15.0-143
2021-05-12 16:57:29,223 DEBUG Comparing 4.15.0-76 with 4.15.0-143
2021-05-12 16:57:29,223 DEBUG Comparing 4.15.0-91 with 4.15.0-143
2021-05-12 16:57:29,507 DEBUG /openCache(), new cache size 71416