2016-01-25 13:30:40,960 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-01-25 13:30:40,961 INFO uname information: 'Linux myd-vm07158 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64'
2016-01-25 13:30:40,961 INFO apt version: '1.0.1ubuntu2'
2016-01-25 13:30:40,961 INFO python version: '3.4.3 (default, Oct 14 2015, 20:28:29) 
[GCC 4.8.4]'
2016-01-25 13:30:40,961 INFO release-upgrader version '15.04.14.2' started
2016-01-25 13:30:40,964 INFO locale: 'en_US' 'UTF-8'
2016-01-25 13:30:41,059 DEBUG Using 'DistUpgradeViewText' view
2016-01-25 13:30:41,138 DEBUG aufsOptionsAndEnvironmentSetup()
2016-01-25 13:30:41,140 DEBUG using '/tmp/upgrade-rw-kovk8180' as aufs_rw_dir
2016-01-25 13:30:41,140 DEBUG using '/tmp/upgrade-chroot-tf8z4snh' as aufs chroot dir
2016-01-25 13:30:41,140 DEBUG enable dpkg --force-overwrite
2016-01-25 13:30:41,149 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-01-25 13:30:43,340 DEBUG lsb-release: 'trusty'
2016-01-25 13:31:17,855 DEBUG _pythonSymlinkCheck run
2016-01-25 13:31:17,856 DEBUG openCache()
2016-01-25 13:31:17,857 DEBUG No such plugin directory: ./plugins
2016-01-25 13:31:17,857 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-01-25 13:31:17,857 DEBUG plugins for condition 'vividPreCacheOpen' are '[]'
2016-01-25 13:31:17,857 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-01-25 13:31:17,857 DEBUG quirks: running PreCacheOpen
2016-01-25 13:31:17,857 DEBUG running Quirks.PreCacheOpen
2016-01-25 13:31:18,863 DEBUG /openCache(), new cache size 73502
2016-01-25 13:31:18,863 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-01-25 13:31:18,863 DEBUG checkViewDepends()
2016-01-25 13:31:18,863 DEBUG running doUpdate() (showErrors=False)
2016-01-25 13:31:51,684 DEBUG openCache()
2016-01-25 13:31:57,025 DEBUG /openCache(), new cache size 73502
2016-01-25 13:31:57,025 DEBUG doPostInitialUpdate
2016-01-25 13:31:57,026 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-01-25 13:31:57,026 DEBUG plugins for condition 'vividPostInitialUpdate' are '[]'
2016-01-25 13:31:57,026 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-01-25 13:32:03,537 DEBUG Foreign: docker-engine
2016-01-25 13:32:03,537 DEBUG Obsolete: hp-ud-agent
2016-01-25 13:32:03,538 DEBUG updateSourcesList()
2016-01-25 13:32:03,717 DEBUG rewriteSourcesList()
2016-01-25 13:32:03,721 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-01-25 13:32:03,721 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid main restricted' updated to new dist
2016-01-25 13:32:03,721 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-01-25 13:32:03,721 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid main restricted' updated to new dist
2016-01-25 13:32:03,721 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-01-25 13:32:03,722 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid-updates main restricted' updated to new dist
2016-01-25 13:32:03,722 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-01-25 13:32:03,722 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid-updates main restricted' updated to new dist
2016-01-25 13:32:03,722 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-01-25 13:32:03,722 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid universe' updated to new dist
2016-01-25 13:32:03,722 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-01-25 13:32:03,722 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid universe' updated to new dist
2016-01-25 13:32:03,723 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-01-25 13:32:03,723 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid-updates universe' updated to new dist
2016-01-25 13:32:03,723 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-01-25 13:32:03,723 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid-updates universe' updated to new dist
2016-01-25 13:32:03,723 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-01-25 13:32:03,724 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid multiverse' updated to new dist
2016-01-25 13:32:03,724 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-01-25 13:32:03,724 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid multiverse' updated to new dist
2016-01-25 13:32:03,724 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-01-25 13:32:03,724 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid-updates multiverse' updated to new dist
2016-01-25 13:32:03,724 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-01-25 13:32:03,725 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid-updates multiverse' updated to new dist
2016-01-25 13:32:03,725 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-01-25 13:32:03,725 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse' updated to new dist
2016-01-25 13:32:03,725 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-01-25 13:32:03,725 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse' updated to new dist
2016-01-25 13:32:03,725 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-01-25 13:32:03,725 DEBUG entry 'deb http://security.ubuntu.com/ubuntu vivid-security main restricted' updated to new dist
2016-01-25 13:32:03,726 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-01-25 13:32:03,726 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu vivid-security main restricted' updated to new dist
2016-01-25 13:32:03,726 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security universe'
2016-01-25 13:32:03,726 DEBUG entry 'deb http://security.ubuntu.com/ubuntu vivid-security universe' updated to new dist
2016-01-25 13:32:03,726 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security universe'
2016-01-25 13:32:03,726 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu vivid-security universe' updated to new dist
2016-01-25 13:32:03,726 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-01-25 13:32:03,727 DEBUG entry 'deb http://security.ubuntu.com/ubuntu vivid-security multiverse' updated to new dist
2016-01-25 13:32:03,727 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-01-25 13:32:03,727 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu vivid-security multiverse' updated to new dist
2016-01-25 13:32:03,727 DEBUG examining: 'deb https://apt.dockerproject.org/repo ubuntu-trusty main'
2016-01-25 13:32:03,730 DEBUG entry '# deb https://apt.dockerproject.org/repo ubuntu-trusty main # disabled on upgrade to vivid' was disabled (unknown mirror)
2016-01-25 13:32:07,989 DEBUG running doUpdate() (showErrors=True)
2016-01-25 13:35:21,648 DEBUG openCache()
2016-01-25 13:35:21,649 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-01-25 13:35:26,868 DEBUG /openCache(), new cache size 76288
2016-01-25 13:35:26,869 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-01-25 13:35:30,131 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2016-01-25 13:35:30,132 DEBUG abort called
2016-01-25 13:35:30,133 DEBUG openCache()
2016-01-25 13:35:35,222 DEBUG /openCache(), new cache size 73502
2016-01-25 13:35:35,223 DEBUG enabling apt cron job