2021-05-14 11:49:06,800 INFO Using config files '['./DistUpgrade.cfg.xenial', '/etc/update-manager/release-upgrades.d/ubuntu-advantage-upgrades.cfg']'
2021-05-14 11:49:06,800 INFO uname information: 'Linux prabhat-Inspiron-7573 4.15.0-142-generic #146~16.04.1-Ubuntu SMP Tue Apr 13 09:27:15 UTC 2021 x86_64'
2021-05-14 11:49:07,167 INFO apt version: '1.2.35'
2021-05-14 11:49:07,168 INFO python version: '3.5.2 (default, Jan 26 2021, 13:30:48) 
[GCC 5.4.0 20160609]'
2021-05-14 11:49:07,171 INFO release-upgrader version '18.04.44' started
2021-05-14 11:49:07,182 INFO locale: 'en_US' 'UTF-8'
2021-05-14 11:49:07,232 INFO screen could not be run
2021-05-14 11:49:07,334 DEBUG Using 'DistUpgradeViewText' view
2021-05-14 11:49:07,376 DEBUG enable dpkg --force-overwrite
2021-05-14 11:49:07,401 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2021-05-14 11:49:11,303 DEBUG lsb-release: 'xenial'
2021-05-14 11:49:11,303 DEBUG _pythonSymlinkCheck run
2021-05-14 11:49:11,304 DEBUG openCache()
2021-05-14 11:49:11,304 DEBUG No such plugin directory: ./plugins
2021-05-14 11:49:11,304 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2021-05-14 11:49:11,305 DEBUG plugins for condition 'bionicPreCacheOpen' are '[]'
2021-05-14 11:49:11,305 DEBUG plugins for condition 'from_xenialPreCacheOpen' are '[]'
2021-05-14 11:49:11,305 DEBUG quirks: running PreCacheOpen
2021-05-14 11:49:11,305 DEBUG running Quirks.PreCacheOpen
2021-05-14 11:49:11,854 DEBUG /openCache(), new cache size 93668
2021-05-14 11:49:11,855 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2021-05-14 11:49:11,855 DEBUG checkViewDepends()
2021-05-14 11:49:11,855 DEBUG running doUpdate() (showErrors=False)
2021-05-14 11:49:12,833 DEBUG openCache()
2021-05-14 11:49:13,423 DEBUG /openCache(), new cache size 93668
2021-05-14 11:49:13,423 DEBUG doPostInitialUpdate
2021-05-14 11:49:13,423 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2021-05-14 11:49:13,423 DEBUG plugins for condition 'bionicPostInitialUpdate' are '[]'
2021-05-14 11:49:13,423 DEBUG plugins for condition 'from_xenialPostInitialUpdate' are '[]'
2021-05-14 11:49:13,423 DEBUG quirks: running bionicPostInitialUpdate
2021-05-14 11:49:13,423 DEBUG running Quirks.bionicPostInitialUpdate
2021-05-14 11:49:19,308 DEBUG MetaPkgs: ubuntu-desktop
2021-05-14 11:49:22,619 DEBUG Foreign: 
2021-05-14 11:49:22,619 DEBUG Obsolete: gitlab-ee google-chrome-stable libpyside-py3-2.0 libpyside2-dev libpyside2.0 libshiboken-py3-2.0 libshiboken2-dev libshiboken2.0 pycharm python-catkin-pkg-modules python-pyside2 python-pyside2.qtconcurrent python-pyside2.qtcore python-pyside2.qtgui python-pyside2.qthelp python-pyside2.qtnetwork python-pyside2.qtprintsupport python-pyside2.qtqml python-pyside2.qtquick python-pyside2.qtquickwidgets python-pyside2.qtscript python-pyside2.qtsql python-pyside2.qtsvg python-pyside2.qttest python-pyside2.qtuitools python-pyside2.qtwebkit python-pyside2.qtwebkitwidgets python-pyside2.qtwidgets python-pyside2.qtx11extras python-pyside2.qtxml python-rosdep-modules python-rosdistro-modules python-rospkg-modules ros-kinetic-ackermann-steering-controller ros-kinetic-actionlib ros-kinetic-actionlib-msgs ros-kinetic-amcl ros-kinetic-angles ros-kinetic-astra-camera ros-kinetic-astra-launch ros-kinetic-base-local-planner ros-kinetic-bfl ros-kinetic-bond ros-kinetic-bondcpp ros-kinetic-bondpy ros-kinetic-camera-calibration-parsers ros-kinetic-camera-info-manager ros-kinetic-capabilities ros-kinetic-carrot-planner ros-kinetic-catkin ros-kinetic-class-loader ros-kinetic-clear-costmap-recovery ros-kinetic-cmake-modules ros-kinetic-combined-robot-hw ros-kinetic-combined-robot-hw-tests ros-kinetic-control-msgs ros-kinetic-control-toolbox ros-kinetic-controller-interface ros-kinetic-controller-manager ros-kinetic-controller-manager-msgs ros-kinetic-controller-manager-tests ros-kinetic-costmap-2d ros-kinetic-cpp-common ros-kinetic-create-description ros-kinetic-create-driver ros-kinetic-create-node ros-kinetic-cv-bridge ros-kinetic-depth-image-proc ros-kinetic-depthimage-to-laserscan ros-kinetic-diagnostic-aggregator ros-kinetic-diagnostic-msgs ros-kinetic-diagnostic-updater ros-kinetic-diff-drive-controller ros-kinetic-dwa-local-planner ros-kinetic-dynamic-reconfigure ros-kinetic-ecl-build ros-kinetic-ecl-command-line ros-kinetic-ecl-concepts ros-kinetic-ecl-config ros-kinetic-ecl-console ros-kinetic-ecl-containers ros-kinetic-ecl-converters ros-kinetic-ecl-devices ros-kinetic-ecl-eigen ros-kinetic-ecl-errors ros-kinetic-ecl-exceptions ros-kinetic-ecl-formatters ros-kinetic-ecl-geometry ros-kinetic-ecl-license ros-kinetic-ecl-linear-algebra ros-kinetic-ecl-math ros-kinetic-ecl-mobile-robot ros-kinetic-ecl-mpl ros-kinetic-ecl-sigslots ros-kinetic-ecl-streams ros-kinetic-ecl-threads ros-kinetic-ecl-time ros-kinetic-ecl-time-lite ros-kinetic-ecl-type-traits ros-kinetic-ecl-utilities ros-kinetic-effort-controllers ros-kinetic-eigen-conversions ros-kinetic-fake-localization ros-kinetic-force-torque-sensor-controller ros-kinetic-forward-command-controller ros-kinetic-freenect-camera ros-kinetic-freenect-launch ros-kinetic-gateway-msgs ros-kinetic-gazebo-dev ros-kinetic-gazebo-msgs ros-kinetic-gazebo-plugins ros-kinetic-gazebo-ros ros-kinetic-gencpp ros-kinetic-geneus ros-kinetic-genlisp ros-kinetic-genmsg ros-kinetic-gennodejs ros-kinetic-genpy ros-kinetic-geometry-msgs ros-kinetic-global-planner ros-kinetic-gmapping ros-kinetic-gripper-action-controller ros-kinetic-hardware-interface ros-kinetic-image-geometry ros-kinetic-image-proc ros-kinetic-image-transport ros-kinetic-imu-sensor-controller ros-kinetic-interactive-markers ros-kinetic-joint-limits-interface ros-kinetic-joint-state-controller ros-kinetic-joint-state-publisher ros-kinetic-joint-trajectory-controller ros-kinetic-joy ros-kinetic-kdl-conversions ros-kinetic-kdl-parser ros-kinetic-kobuki-auto-docking ros-kinetic-kobuki-bumper2pc ros-kinetic-kobuki-capabilities ros-kinetic-kobuki-description ros-kinetic-kobuki-dock-drive ros-kinetic-kobuki-driver ros-kinetic-kobuki-ftdi ros-kinetic-kobuki-gazebo-plugins ros-kinetic-kobuki-keyop ros-kinetic-kobuki-msgs ros-kinetic-kobuki-node ros-kinetic-kobuki-random-walker ros-kinetic-kobuki-rapps ros-kinetic-kobuki-safety-controller ros-kinetic-laptop-battery-monitor ros-kinetic-laser-geometry ros-kinetic-libfreenect ros-kinetic-librealsense ros-kinetic-map-msgs ros-kinetic-map-server ros-kinetic-media-export ros-kinetic-message-filters ros-kinetic-message-generation ros-kinetic-message-runtime ros-kinetic-move-base ros-kinetic-move-base-msgs ros-kinetic-move-slow-and-clear ros-kinetic-moveit-msgs ros-kinetic-nav-core ros-kinetic-nav-msgs ros-kinetic-navfn ros-kinetic-navigation ros-kinetic-nodelet ros-kinetic-nodelet-topic-tools ros-kinetic-object-recognition-msgs ros-kinetic-octomap-msgs ros-kinetic-opencv3 ros-kinetic-openni2-camera ros-kinetic-openni2-launch ros-kinetic-openslam-gmapping ros-kinetic-orocos-kdl ros-kinetic-pcl-conversions ros-kinetic-pcl-msgs ros-kinetic-pcl-ros ros-kinetic-pluginlib ros-kinetic-polled-camera ros-kinetic-position-controllers ros-kinetic-python-orocos-kdl ros-kinetic-python-qt-binding ros-kinetic-qt-dotgraph ros-kinetic-qt-gui ros-kinetic-qt-gui-cpp ros-kinetic-qt-gui-py-common ros-kinetic-qwt-dependency ros-kinetic-realsense-camera ros-kinetic-realtime-tools ros-kinetic-resource-retriever ros-kinetic-rgbd-launch ros-kinetic-robot-pose-ekf ros-kinetic-robot-state-publisher ros-kinetic-rocon-app-manager ros-kinetic-rocon-app-manager-msgs ros-kinetic-rocon-app-utilities ros-kinetic-rocon-apps ros-kinetic-rocon-bubble-icons ros-kinetic-rocon-console ros-kinetic-rocon-ebnf ros-kinetic-rocon-gateway ros-kinetic-rocon-gateway-utils ros-kinetic-rocon-hub ros-kinetic-rocon-hub-client ros-kinetic-rocon-icons ros-kinetic-rocon-interaction-msgs ros-kinetic-rocon-interactions ros-kinetic-rocon-master-info ros-kinetic-rocon-python-comms ros-kinetic-rocon-python-redis ros-kinetic-rocon-python-utils ros-kinetic-rocon-python-wifi ros-kinetic-rocon-semantic-version ros-kinetic-rocon-service-pair-msgs ros-kinetic-rocon-std-msgs ros-kinetic-rocon-uri ros-kinetic-ros-control ros-kinetic-ros-controllers ros-kinetic-ros-environment ros-kinetic-rosbag ros-kinetic-rosbag-migration-rule ros-kinetic-rosbag-storage ros-kinetic-rosbuild ros-kinetic-rosclean ros-kinetic-rosconsole ros-kinetic-rosconsole-bridge ros-kinetic-roscpp ros-kinetic-roscpp-serialization ros-kinetic-roscpp-traits ros-kinetic-rosgraph ros-kinetic-rosgraph-msgs ros-kinetic-roslaunch ros-kinetic-roslib ros-kinetic-roslz4 ros-kinetic-rosmaster ros-kinetic-rosmsg ros-kinetic-rosnode ros-kinetic-rosout ros-kinetic-rospack ros-kinetic-rosparam ros-kinetic-rospy ros-kinetic-rospy-tutorials ros-kinetic-rosservice ros-kinetic-rostest ros-kinetic-rostime ros-kinetic-rostopic ros-kinetic-rosunit ros-kinetic-roswtf ros-kinetic-rotate-recovery ros-kinetic-rqt ros-kinetic-rqt-action ros-kinetic-rqt-bag ros-kinetic-rqt-bag-plugins ros-kinetic-rqt-common-plugins ros-kinetic-rqt-console ros-kinetic-rqt-controller-manager ros-kinetic-rqt-dep ros-kinetic-rqt-graph ros-kinetic-rqt-gui ros-kinetic-rqt-gui-cpp ros-kinetic-rqt-gui-py ros-kinetic-rqt-image-view ros-kinetic-rqt-joint-trajectory-controller ros-kinetic-rqt-launch ros-kinetic-rqt-logger-level ros-kinetic-rqt-msg ros-kinetic-rqt-plot ros-kinetic-rqt-publisher ros-kinetic-rqt-py-common ros-kinetic-rqt-py-console ros-kinetic-rqt-reconfigure ros-kinetic-rqt-rviz ros-kinetic-rqt-service-caller ros-kinetic-rqt-shell ros-kinetic-rqt-srv ros-kinetic-rqt-tf-tree ros-kinetic-rqt-top ros-kinetic-rqt-topic ros-kinetic-rqt-web ros-kinetic-rviz ros-kinetic-sensor-msgs ros-kinetic-shape-msgs ros-kinetic-smclib ros-kinetic-sophus ros-kinetic-std-capabilities ros-kinetic-std-msgs ros-kinetic-std-srvs ros-kinetic-tf ros-kinetic-tf-conversions ros-kinetic-tf2 ros-kinetic-tf2-eigen ros-kinetic-tf2-kdl ros-kinetic-tf2-msgs ros-kinetic-tf2-py ros-kinetic-tf2-ros ros-kinetic-topic-tools ros-kinetic-trajectory-msgs ros-kinetic-transmission-interface ros-kinetic-turtlebot-bringup ros-kinetic-turtlebot-capabilities ros-kinetic-turtlebot-description ros-kinetic-turtlebot-navigation ros-kinetic-unique-id ros-kinetic-urdf ros-kinetic-uuid-msgs ros-kinetic-velocity-controllers ros-kinetic-visualization-msgs ros-kinetic-voxel-grid ros-kinetic-webkit-dependency ros-kinetic-xacro ros-kinetic-xmlrpcpp ros-kinetic-yocs-cmd-vel-mux ros-kinetic-yocs-controllers ros-kinetic-yocs-velocity-smoother ros-kinetic-zeroconf-avahi ros-kinetic-zeroconf-msgs shiboken2 simplescreenrecorder simplescreenrecorder-lib slack-desktop teams zoom
2021-05-14 11:49:22,620 DEBUG updateSourcesList()
2021-05-14 11:49:22,679 DEBUG rewriteSourcesList() with mirror_check
2021-05-14 11:49:22,679 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2021-05-14 11:49:22,679 DEBUG Checking pkg: ubuntu-minimal
2021-05-14 11:49:22,680 DEBUG Checking pkg: ubuntu-standard
2021-05-14 11:49:22,682 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted'
2021-05-14 11:49:22,682 DEBUG verifySourcesListEntry: deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted
2021-05-14 11:49:22,682 DEBUG url_downloadable: http://us.archive.ubuntu.com/ubuntu//dists/bionic/Release
2021-05-14 11:49:22,682 DEBUG s='http' n='us.archive.ubuntu.com' p='/ubuntu//dists/bionic/Release' q='' f=''
2021-05-14 11:49:23,943 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted' updated to new dist
2021-05-14 11:49:23,943 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted multiverse universe'
2021-05-14 11:49:23,944 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ bionic main restricted multiverse universe' updated to new dist
2021-05-14 11:49:23,944 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted'
2021-05-14 11:49:23,944 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted' updated to new dist
2021-05-14 11:49:23,944 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted multiverse universe'
2021-05-14 11:49:23,944 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted multiverse universe' updated to new dist
2021-05-14 11:49:23,944 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial universe'
2021-05-14 11:49:23,944 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic universe' updated to new dist
2021-05-14 11:49:23,944 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe'
2021-05-14 11:49:23,944 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe' updated to new dist
2021-05-14 11:49:23,945 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial multiverse'
2021-05-14 11:49:23,945 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse' updated to new dist
2021-05-14 11:49:23,945 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse'
2021-05-14 11:49:23,945 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse' updated to new dist
2021-05-14 11:49:23,945 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse'
2021-05-14 11:49:23,945 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse' updated to new dist
2021-05-14 11:49:23,945 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse'
2021-05-14 11:49:23,945 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse' updated to new dist
2021-05-14 11:49:23,945 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu xenial-security main restricted'
2021-05-14 11:49:23,946 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu bionic main restricted
2021-05-14 11:49:23,946 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu/dists/bionic/Release
2021-05-14 11:49:23,946 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu/dists/bionic/Release' q='' f=''
2021-05-14 11:49:24,209 DEBUG entry 'deb http://security.ubuntu.com/ubuntu bionic-security main restricted' updated to new dist
2021-05-14 11:49:24,209 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted multiverse universe'
2021-05-14 11:49:24,209 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted multiverse universe' updated to new dist
2021-05-14 11:49:24,210 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu xenial-security universe'
2021-05-14 11:49:24,210 DEBUG entry 'deb http://security.ubuntu.com/ubuntu bionic-security universe' updated to new dist
2021-05-14 11:49:24,210 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu xenial-security multiverse'
2021-05-14 11:49:24,210 DEBUG entry 'deb http://security.ubuntu.com/ubuntu bionic-security multiverse' updated to new dist
2021-05-14 11:49:24,214 DEBUG running doUpdate() (showErrors=True)
2021-05-14 11:49:55,957 DEBUG openCache()
2021-05-14 11:49:56,631 DEBUG /openCache(), new cache size 104276
2021-05-14 11:49:56,631 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2021-05-14 11:49:57,279 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2021-05-14 11:49:57,282 DEBUG abort called
2021-05-14 11:49:57,304 DEBUG openCache()
2021-05-14 11:49:59,685 DEBUG /openCache(), new cache size 93668