do-release-upgrade -d on my 16.04 LTS unity laptop lead to an install failure: Fetched 2,320 MB in 6s (27.8 MB/s) Upgrading Inhibiting until Ctrl+C is pressed... Fetched 0 B in 0s (0 B/s) Extracting templates from packages: 100% Preconfiguring packages ... setting xserver-xorg-legacy/xwrapper/allowed_users from configuration file Extracting templates from packages: 100% Preconfiguring packages ... setting xserver-xorg-legacy/xwrapper/allowed_users from configuration file Extracting templates from packages: 100% Preconfiguring packages ... setting xserver-xorg-legacy/xwrapper/allowed_users from configuration file Extracting templates from packages: 100% Preconfiguring packages ... setting xserver-xorg-legacy/xwrapper/allowed_users from configuration file (Reading database ... 373383 files and directories currently installed.) Preparing to unpack .../base-files_10.1ubuntu2_amd64.deb ... Unpacking base-files (10.1ubuntu2) over (9.4ubuntu4.6) ... Processing triggers for plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.4) ... update-initramfs: deferring update (trigger activated) Processing triggers for cracklib-runtime (2.9.2-1ubuntu1) ... Processing triggers for install-info (6.1.0.dfsg.1-5) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for initramfs-tools (0.122ubuntu8.11) ... update-initramfs: Generating /boot/initrd.img-4.4.0-122-generic Setting up base-files (10.1ubuntu2) ... Installing new version of config file /etc/debian_version ... Installing new version of config file /etc/issue ... Installing new version of config file /etc/issue.net ... Installing new version of config file /etc/lsb-release ... Updating /etc/profile to current default. motd-news.service is a disabled or a static unit, not starting it. Processing triggers for plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.4) ... update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools (0.122ubuntu8.11) ... update-initramfs: Generating /boot/initrd.img-4.4.0-122-generic (Reading database ... 373388 files and directories currently installed.) Preparing to unpack .../debianutils_4.8.4_amd64.deb ... Unpacking debianutils (4.8.4) over (4.7) ... Processing triggers for man-db (2.7.5-1) ... Setting up debianutils (4.8.4) ... (Reading database ... 373388 files and directories currently installed.) Preparing to unpack .../bash_4.4.18-2ubuntu1_amd64.deb ... Unpacking bash (4.4.18-2ubuntu1) over (4.3-14ubuntu1.2) ... Processing triggers for install-info (6.1.0.dfsg.1-5) ... Processing triggers for man-db (2.7.5-1) ... Setting up bash (4.4.18-2ubuntu1) ... Installing new version of config file /etc/bash.bashrc ... Installing new version of config file /etc/skel/.profile ... update-alternatives: using /usr/share/man/man7/bash-builtins.7.gz to provide /usr/share/man/man7/builtins.7.gz (builtins.7.gz) in auto mode (Reading database ... 373388 files and directories currently installed.) Preparing to unpack .../libcomerr2_1.44.1-1_amd64.deb ... Unpacking libcomerr2:amd64 (1.44.1-1) over (1.42.13-1ubuntu1) ... Selecting previously unselected package libcom-err2:amd64. Preparing to unpack .../libcom-err2_1.44.1-1_amd64.deb ... Unpacking libcom-err2:amd64 (1.44.1-1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Setting up libcom-err2:amd64 (1.44.1-1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... (Reading database ... 373391 files and directories currently installed.) Preparing to unpack .../libkeyutils1_1.5.9-9.2ubuntu2_amd64.deb ... Unpacking libkeyutils1:amd64 (1.5.9-9.2ubuntu2) over (1.5.9-8ubuntu1) ... Preparing to unpack .../libk5crypto3_1.16-2build1_amd64.deb ... 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Unpacking libzstd1:amd64 (1.3.3+dfsg-2ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Setting up libzstd1:amd64 (1.3.3+dfsg-2ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Selecting previously unselected package libunistring2:amd64. (Reading database ... 373397 files and directories currently installed.) Preparing to unpack .../libunistring2_0.9.9-0ubuntu1_amd64.deb ... Unpacking libunistring2:amd64 (0.9.9-0ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Setting up libunistring2:amd64 (0.9.9-0ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Selecting previously unselected package gcc-8-base:amd64. (Reading database ... 373402 files and directories currently installed.) Preparing to unpack .../gcc-8-base_8-20180414-1ubuntu2_amd64.deb ... Unpacking gcc-8-base:amd64 (8-20180414-1ubuntu2) ... Selecting previously unselected package gcc-8-base:i386. 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Setting up libstdc++6:amd64 (8-20180414-1ubuntu2) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... (Reading database ... 373412 files and directories currently installed.) Preparing to unpack .../libasprintf-dev_0.19.8.1-6_amd64.deb ... Unpacking libasprintf-dev:amd64 (0.19.8.1-6) over (0.19.7-2ubuntu3) ... Preparing to unpack .../libasprintf0v5_0.19.8.1-6_amd64.deb ... Unpacking libasprintf0v5:amd64 (0.19.8.1-6) over (0.19.7-2ubuntu3) ... Preparing to unpack .../libgettextpo-dev_0.19.8.1-6_amd64.deb ... Unpacking libgettextpo-dev:amd64 (0.19.8.1-6) over (0.19.7-2ubuntu3) ... Preparing to unpack .../libgettextpo0_0.19.8.1-6_amd64.deb ... Unpacking libgettextpo0:amd64 (0.19.8.1-6) over (0.19.7-2ubuntu3) ... Selecting previously unselected package libssl1.1:amd64. Preparing to unpack .../libssl1.1_1.1.0g-2ubuntu4_amd64.deb ... Unpacking libssl1.1:amd64 (1.1.0g-2ubuntu4) ... Selecting previously unselected package libpython3.6-minimal:amd64. 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Preparing to unpack .../iptables-dev_1.6.1-2ubuntu2_amd64.deb ... Unpacking iptables-dev:amd64 (1.6.1-2ubuntu2) over (1.6.0-2ubuntu3) ... Selecting previously unselected package libip4tc-dev:amd64. Preparing to unpack .../libip4tc-dev_1.6.1-2ubuntu2_amd64.deb ... Unpacking libip4tc-dev:amd64 (1.6.1-2ubuntu2) ... Selecting previously unselected package libip6tc0:amd64. Preparing to unpack .../libip6tc0_1.6.1-2ubuntu2_amd64.deb ... Unpacking libip6tc0:amd64 (1.6.1-2ubuntu2) ... Selecting previously unselected package libip6tc-dev:amd64. Preparing to unpack .../libip6tc-dev_1.6.1-2ubuntu2_amd64.deb ... Unpacking libip6tc-dev:amd64 (1.6.1-2ubuntu2) ... Selecting previously unselected package libiptc-dev:amd64. Preparing to unpack .../libiptc-dev_1.6.1-2ubuntu2_amd64.deb ... Unpacking libiptc-dev:amd64 (1.6.1-2ubuntu2) ... Selecting previously unselected package libxtables12:amd64. Preparing to unpack .../libxtables12_1.6.1-2ubuntu2_amd64.deb ... Unpacking libxtables12:amd64 (1.6.1-2ubuntu2) ... Selecting previously unselected package libxtables-dev:amd64. Preparing to unpack .../libxtables-dev_1.6.1-2ubuntu2_amd64.deb ... Unpacking libxtables-dev:amd64 (1.6.1-2ubuntu2) ... Preparing to unpack .../linux-libc-dev_4.15.0-20.21_amd64.deb ... Unpacking linux-libc-dev:amd64 (4.15.0-20.21) over (4.4.0-122.146) ... Preparing to unpack .../libexpat1-dev_2.2.5-3_amd64.deb ... Unpacking libexpat1-dev:amd64 (2.2.5-3) over (2.1.0-7ubuntu0.16.04.3) ... Preparing to unpack .../libexpat1_2.2.5-3_amd64.deb ... Unpacking libexpat1:amd64 (2.2.5-3) over (2.1.0-7ubuntu0.16.04.3) ... Preparing to unpack .../zlib1g-dev_1%3a1.2.11.dfsg-0ubuntu2_amd64.deb ... Unpacking zlib1g-dev:amd64 (1:1.2.11.dfsg-0ubuntu2) over (1:1.2.8.dfsg-2ubuntu4.1) ... Preparing to unpack .../zlib1g_1%3a1.2.11.dfsg-0ubuntu2_amd64.deb ... De-configuring zlib1g:i386 (1:1.2.8.dfsg-2ubuntu4.1) ... Unpacking zlib1g:amd64 (1:1.2.11.dfsg-0ubuntu2) over (1:1.2.8.dfsg-2ubuntu4.1) ... 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Unpacking libglib2.0-bin (2.56.1-2ubuntu1) over (2.48.2-0ubuntu1) ... Selecting previously unselected package libidn2-0:amd64. Preparing to unpack .../libidn2-0_2.0.4-1.1build2_amd64.deb ... Unpacking libidn2-0:amd64 (2.0.4-1.1build2) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Processing triggers for doc-base (0.10.7) ... Processing 3 changed doc-base files... Error in `/usr/share/doc-base/netfilter-extensions', line 9: all `Format' sections are invalid. Error in `/usr/share/doc-base/netfilter-hacking', line 9: all `Format' sections are invalid. Note: `install-docs --verbose --check file_name' may give more details about the above errors. Processing triggers for tex-common (6.04) ... Running mktexlsr. This may take some time... done. Setting up libidn2-0:amd64 (2.0.4-1.1build2) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... (Reading database ... 373848 files and directories currently installed.) Preparing to unpack .../libtasn1-6_4.13-2_amd64.deb ... Unpacking libtasn1-6:amd64 (4.13-2) over (4.7-3ubuntu0.16.04.3) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... Setting up libtasn1-6:amd64 (4.13-2) ... Processing triggers for libc-bin (2.23-0ubuntu10) ... (Reading database ... 373847 files and directories currently installed.) Preparing to unpack .../libgnutls-openssl27_3.5.18-1ubuntu1_amd64.deb ... Unpacking libgnutls-openssl27:amd64 (3.5.18-1ubuntu1) over (3.4.10-4ubuntu1.4) ... Preparing to unpack .../locales_2.27-3ubuntu1_all.deb ... Unpacking locales (2.27-3ubuntu1) over (2.23-0ubuntu10) ... Preparing to unpack .../libc6_2.27-3ubuntu1_i386.deb ... De-configuring libc6:amd64 (2.23-0ubuntu10) ... Checking for services that may need to be restarted... Checking init scripts... Nothing to restart. Unpacking libc6:i386 (2.27-3ubuntu1) over (2.23-0ubuntu10) ... Preparing to unpack .../libc6_2.27-3ubuntu1_amd64.deb ... Checking for services that may need to be restarted... Checking init scripts... Nothing to restart. Unpacking libc6:amd64 (2.27-3ubuntu1) over (2.23-0ubuntu10) ... Setting up libc6:amd64 (2.27-3ubuntu1) ... Installing new version of config file /etc/ld.so.conf.d/x86_64-linux-gnu.conf ... Checking for services that may need to be restarted... Checking init scripts... Nothing to restart. Setting up libc6:i386 (2.27-3ubuntu1) ... Installing new version of config file /etc/ld.so.conf.d/i386-linux-gnu.conf ... Checking for services that may need to be restarted... Checking init scripts... Nothing to restart. (Reading database ... 373869 files and directories currently installed.) Preparing to unpack .../libc-bin_2.27-3ubuntu1_amd64.deb ... Unpacking libc-bin (2.27-3ubuntu1) over (2.23-0ubuntu10) ... Setting up libc-bin (2.27-3ubuntu1) ... (Reading database ... 373869 files and directories currently installed.) Preparing to unpack .../libgnutls30_3.5.18-1ubuntu1_amd64.deb ... Unpacking libgnutls30:amd64 (3.5.18-1ubuntu1) over (3.4.10-4ubuntu1.4) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Setting up zlib1g:amd64 (1:1.2.11.dfsg-0ubuntu2) ... Setting up zlib1g:i386 (1:1.2.11.dfsg-0ubuntu2) ... Setting up libgnutls30:amd64 (3.5.18-1ubuntu1) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... (Reading database ... 373870 files and directories currently installed.) Preparing to unpack .../libproxy1-plugin-networkmanager_0.4.15-1_amd64.deb ... Unpacking libproxy1-plugin-networkmanager:amd64 (0.4.15-1) over (0.4.11-5ubuntu1) ... Preparing to unpack .../libproxy1-plugin-gsettings_0.4.15-1_amd64.deb ... Unpacking libproxy1-plugin-gsettings:amd64 (0.4.15-1) over (0.4.11-5ubuntu1) ... Preparing to unpack .../libproxy1v5_0.4.15-1_amd64.deb ... Unpacking libproxy1v5:amd64 (0.4.15-1) over (0.4.11-5ubuntu1) ... Preparing to unpack .../glib-networking-common_2.56.0-1_all.deb ... Unpacking glib-networking-common (2.56.0-1) over (2.48.2-1~ubuntu16.04.1) ... 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Selecting previously unselected package libpng16-16:amd64. Preparing to unpack .../libpng16-16_1.6.34-1_amd64.deb ... Unpacking libpng16-16:amd64 (1.6.34-1) ... Preparing to unpack .../libfreetype6_2.8.1-2ubuntu2_amd64.deb ... Unpacking libfreetype6:amd64 (2.8.1-2ubuntu2) over (2.6.1-0.1ubuntu2.3) ... Preparing to unpack .../libharfbuzz0b_1.7.2-1ubuntu1_amd64.deb ... Unpacking libharfbuzz0b:amd64 (1.7.2-1ubuntu1) over (1.0.1-1ubuntu0.1) ... Preparing to unpack .../libpangoft2-1.0-0_1.40.14-1_amd64.deb ... Unpacking libpangoft2-1.0-0:amd64 (1.40.14-1) over (1.38.1-1) ... Preparing to unpack .../libpangoxft-1.0-0_1.40.14-1_amd64.deb ... Unpacking libpangoxft-1.0-0:amd64 (1.40.14-1) over (1.38.1-1) ... Preparing to unpack .../libpango1.0-0_1.40.14-1_amd64.deb ... Unpacking libpango1.0-0:amd64 (1.40.14-1) over (1.38.1-1) ... Preparing to unpack .../libpango-1.0-0_1.40.14-1_amd64.deb ... Unpacking libpango-1.0-0:amd64 (1.40.14-1) over (1.38.1-1) ... Preparing to unpack .../libgail-3-0_3.22.30-1ubuntu1_amd64.deb ... Unpacking libgail-3-0:amd64 (3.22.30-1ubuntu1) over (3.18.9-1ubuntu3.3) ... Preparing to unpack .../libgtk-3-0_3.22.30-1ubuntu1_amd64.deb ... Unpacking libgtk-3-0:amd64 (3.22.30-1ubuntu1) over (3.18.9-1ubuntu3.3) ... Preparing to unpack .../liblircclient0_0.10.0-2_amd64.deb ... Unpacking liblircclient0 (0.10.0-2) over (0.9.0-0ubuntu6) ... Selecting previously unselected package liblirc-client0:amd64. Preparing to unpack .../liblirc-client0_0.10.0-2_amd64.deb ... Unpacking liblirc-client0:amd64 (0.10.0-2) ... Preparing to unpack .../libclutter-gtk-1.0-0_1.8.4-3_amd64.deb ... Unpacking libclutter-gtk-1.0-0:amd64 (1.8.4-3) over (1.6.6-1) ... Selecting previously unselected package libgrilo-0.3-0:amd64. Preparing to unpack .../libgrilo-0.3-0_0.3.4-1_amd64.deb ... Unpacking libgrilo-0.3-0:amd64 (0.3.4-1) ... Preparing to unpack .../libgpg-error0_1.27-6_i386.deb ... De-configuring libgpg-error0:amd64 (1.21-2ubuntu1) ... Unpacking libgpg-error0:i386 (1.27-6) over (1.21-2ubuntu1) ... Preparing to unpack .../libgpg-error0_1.27-6_amd64.deb ... Unpacking libgpg-error0:amd64 (1.27-6) over (1.21-2ubuntu1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ... Processing triggers for mime-support (3.59ubuntu1) ... Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for doc-base (0.10.7) ... Processing 1 added doc-base file... Setting up libgpg-error0:amd64 (1.27-6) ... Setting up libgpg-error0:i386 (1.27-6) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... (Reading database ... 374274 files and directories currently installed.) Preparing to unpack .../libgcrypt20_1.8.1-4ubuntu1_i386.deb ... De-configuring libgcrypt20:amd64 (1.6.5-2ubuntu0.4) ... Unpacking libgcrypt20:i386 (1.8.1-4ubuntu1) over (1.6.5-2ubuntu0.4) ... Preparing to unpack .../libgcrypt20_1.8.1-4ubuntu1_amd64.deb ... Unpacking libgcrypt20:amd64 (1.8.1-4ubuntu1) over (1.6.5-2ubuntu0.4) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Setting up libgcrypt20:amd64 (1.8.1-4ubuntu1) ... Setting up libgcrypt20:i386 (1.8.1-4ubuntu1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... (Reading database ... 374274 files and directories currently installed.) Preparing to unpack .../libassuan0_2.5.1-2_amd64.deb ... Unpacking libassuan0:amd64 (2.5.1-2) over (2.4.2-2) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Setting up libassuan0:amd64 (2.5.1-2) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... (Reading database ... 374274 files and directories currently installed.) Preparing to unpack .../gnupg-agent_2.2.4-1ubuntu1_all.deb ... Unpacking gnupg-agent (2.2.4-1ubuntu1) over (2.1.11-6ubuntu2) ... Selecting previously unselected package gpg-agent. Preparing to unpack .../gpg-agent_2.2.4-1ubuntu1_amd64.deb ... Unpacking gpg-agent (2.2.4-1ubuntu1) ... Preparing to unpack .../debsig-verify_0.18_amd64.deb ... Unpacking debsig-verify (0.18) over (0.14) ... Preparing to unpack .../gnupg2_2.2.4-1ubuntu1_all.deb ... Unpacking gnupg2 (2.2.4-1ubuntu1) over (2.1.11-6ubuntu2) ... Preparing to unpack .../libgnupg-interface-perl_0.52-9_all.deb ... Unpacking libgnupg-interface-perl (0.52-9) over (0.52-2) ... Preparing to unpack .../python-apt_1.6.0_amd64.deb ... Unpacking python-apt (1.6.0) over (1.1.0~beta1ubuntu0.16.04.1) ... Preparing to unpack .../python3-apt_1.6.0_amd64.deb ... /var/lib/dpkg/info/python3-apt.prerm: 6: /var/lib/dpkg/info/python3-apt.prerm: py3clean: not found dpkg: warning: subprocess old pre-removal script returned error exit status 127 dpkg: trying script from the new package instead ... /var/lib/dpkg/tmp.ci/prerm: 6: /var/lib/dpkg/tmp.ci/prerm: py3clean: not found dpkg: error processing archive /var/cache/apt/archives/python3-apt_1.6.0_amd64.deb (--unpack): subprocess new pre-removal script returned error exit status 127 /var/lib/dpkg/info/python3-apt.postinst: 6: /var/lib/dpkg/info/python3-apt.postinst: py3compile: not found dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 127 Preparing to unpack .../software-properties-common_0.96.24.32.1_all.deb ... /var/lib/dpkg/info/software-properties-common.prerm: 6: /var/lib/dpkg/info/software-properties-common.prerm: py3clean: not found dpkg: warning: subprocess old pre-removal script returned error exit status 127 dpkg: trying script from the new package instead ... /var/lib/dpkg/tmp.ci/prerm: 6: /var/lib/dpkg/tmp.ci/prerm: py3clean: not found dpkg: error processing archive /var/cache/apt/archives/software-properties-common_0.96.24.32.1_all.deb (--unpack): subprocess new pre-removal script returned error exit status 127 /var/lib/dpkg/info/software-properties-common.postinst: 6: /var/lib/dpkg/info/software-properties-common.postinst: py3compile: not found dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 127 Preparing to unpack .../gnupg_2.2.4-1ubuntu1_amd64.deb ... Unpacking gnupg (2.2.4-1ubuntu1) over (1.4.20-1ubuntu3.1) ... Selecting previously unselected package gpgconf. Preparing to unpack .../gpgconf_2.2.4-1ubuntu1_amd64.deb ... Unpacking gpgconf (2.2.4-1ubuntu1) ... Preparing to unpack .../libksba8_1.3.5-2_amd64.deb ... Unpacking libksba8:amd64 (1.3.5-2) over (1.3.3-1ubuntu0.16.04.1) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for install-info (6.1.0.dfsg.1-5) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Errors were encountered while processing: /var/cache/apt/archives/python3-apt_1.6.0_amd64.deb /var/cache/apt/archives/software-properties-common_0.96.24.32.1_all.deb Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1) Could not install the upgrades The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg --configure -a). dpkg: dependency problems prevent configuration of unity-control-center: unity-control-center depends on libgnome-desktop-3-17 (>= 3.27.90); however: Package libgnome-desktop-3-17 is not installed. dpkg: error processing package unity-control-center (--configure): dependency problems - leaving unconfigured Setting up libexpat1:amd64 (2.2.5-3) ... dpkg: dependency problems prevent configuration of libgoa-backend-1.0-1:amd64: libgoa-backend-1.0-1:amd64 depends on libgoa-1.0-0b (>= 3.25.4); however: Version of libgoa-1.0-0b:amd64 on system is 3.18.3-1ubuntu2. dpkg: error processing package libgoa-backend-1.0-1:amd64 (--configure): dependency problems - leaving unconfigured Setting up liblzma5:amd64 (5.2.2-1.3) ... Setting up liblzma5:i386 (5.2.2-1.3) ... Setting up libjson-glib-1.0-common (1.4.2-3) ... Setting up fontconfig-config (2.12.6-0ubuntu2) ... Installing new version of config file /etc/fonts/conf.avail/10-antialias.conf ... Installing new version of config file /etc/fonts/conf.avail/10-hinting-full.conf ... Installing new version of config file /etc/fonts/conf.avail/10-hinting-medium.conf ... Installing new version of config file /etc/fonts/conf.avail/10-hinting-slight.conf ... Installing new version of config file /etc/fonts/conf.avail/30-metric-aliases.conf ... Installing new version of config file /etc/fonts/conf.avail/40-nonlatin.conf ... Installing new version of config file /etc/fonts/conf.avail/45-latin.conf ... Installing new version of config file /etc/fonts/conf.avail/53-monospace-lcd-filter.conf ... Installing new version of config file /etc/fonts/conf.avail/60-latin.conf ... Installing new version of config file /etc/fonts/conf.avail/65-nonlatin.conf ... Installing new version of config file /etc/fonts/fonts.conf ... dpkg: dependency problems prevent configuration of python3.6: python3.6 depends on python3.6-minimal (= 3.6.5-3); however: Package python3.6-minimal is not installed. dpkg: error processing package python3.6 (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of python3-apt: gnupg (2.2.4-1ubuntu1) breaks python3-apt (<= 1.1.0~beta4) and is unpacked but not configured. Version of python3-apt to be configured is 1.1.0~beta1ubuntu0.16.04.1. dpkg: error processing package python3-apt (--configure): dependency problems - leaving unconfigured Setting up glib-networking-common (2.56.0-1) ... Setting up libpng16-16:amd64 (1.6.34-1) ... Setting up libgtk-3-common (3.22.30-1ubuntu1) ... Setting up libreadline7:amd64 (7.0-3) ... Setting up libgtop2-common (2.38.0-2) ... Setting up gpgconf (2.2.4-1ubuntu1) ... Setting up libglib2.0-0:amd64 (2.56.1-2ubuntu1) ... dpkg: dependency problems prevent configuration of gnupg: gnupg depends on dirmngr (= 2.2.4-1ubuntu1); however: Package dirmngr is not installed. gnupg depends on gnupg-l10n (= 2.2.4-1ubuntu1); however: Package gnupg-l10n is not installed. gnupg depends on gnupg-utils (= 2.2.4-1ubuntu1); however: Package gnupg-utils is not installed. gnupg depends on gpg (= 2.2.4-1ubuntu1); however: Package gpg is not installed. gnupg depends on gpg-wks-client (= 2.2.4-1ubuntu1); however: Package gpg-wks-client is not installed. gnupg depends on gpg-wks-server (= 2.2.4-1ubuntu1); however: Package gpg-wks-server is not installed. gnupg depends on gpgsm (= 2.2.4-1ubuntu1); however: Package gpgsm is not installed. gnupg depends on gpgv (= 2.2.4-1ubuntu1); however: Version of gpgv on system is 1.4.20-1ubuntu3.1. dpkg: error processing package gnupg (--configure): dependency problems - leaving unconfigured Setting up libproxy1v5:amd64 (0.4.15-1) ... Setting up linux-libc-dev:amd64 (4.15.0-20.21) ... Setting up gpg-agent (2.2.4-1ubuntu1) ... Installing new version of config file /etc/X11/Xsession.d/90gpg-agent ... Setting up liblirc-client0:amd64 (0.10.0-2) ... Setting up libiptc0:amd64 (1.6.1-2ubuntu2) ... Setting up glib-networking-services (2.56.0-1) ... Setting up libksba8:amd64 (1.3.5-2) ... Setting up fonts-texgyre (20160520-1) ... Setting up liblircclient0 (0.10.0-2) ... Setting up libkrb5support0:amd64 (1.16-2build1) ... Setting up libfreetype6:amd64 (2.8.1-2ubuntu2) ... Setting up libjson-glib-1.0-0:amd64 (1.4.2-3) ... dpkg: dependency problems prevent configuration of gnupg2: gnupg2 depends on gnupg (>= 2.2.4-1ubuntu1); however: Package gnupg is not configured yet. dpkg: error processing package gnupg2 (--configure): dependency problems - leaving unconfigured Setting up libgettextpo0:amd64 (0.19.8.1-6) ... Setting up libsnapd-glib1:amd64 (1.39-0ubuntu1) ... Setting up libgrilo-0.3-0:amd64 (0.3.4-1) ... Setting up libxtables12:amd64 (1.6.1-2ubuntu2) ... Setting up libasprintf0v5:amd64 (0.19.8.1-6) ... Setting up libproxy1-plugin-gsettings:amd64 (0.4.15-1) ... Setting up libssl1.1:amd64 (1.1.0g-2ubuntu4) ... locale: Cannot set LC_ALL to default locale: No such file or directory Setting up glib-networking:amd64 (2.56.0-1) ... Setting up libpango-1.0-0:amd64 (1.40.14-1) ... dpkg: dependency problems prevent configuration of python3-minimal: python3-minimal depends on python3.6-minimal (>= 3.6.5-2~); however: Package python3.6-minimal is not installed. dpkg: error processing package python3-minimal (--configure): dependency problems - leaving unconfigured Setting up libgnutls-openssl27:amd64 (3.5.18-1ubuntu1) ... Setting up libproxy1-plugin-networkmanager:amd64 (0.4.15-1) ... Setting up libgettextpo-dev:amd64 (0.19.8.1-6) ... Setting up libasprintf-dev:amd64 (0.19.8.1-6) ... Setting up libgoa-1.0-common (3.28.0-0ubuntu2) ... Setting up libc-dev-bin (2.27-3ubuntu1) ... Setting up libcomerr2:amd64 (1.44.1-1) ... Setting up libkeyutils1:amd64 (1.5.9-9.2ubuntu2) ... Setting up gnupg-agent (2.2.4-1ubuntu1) ... dpkg: dependency problems prevent configuration of python-apt: python-apt depends on libapt-inst2.0 (>= 1.4~beta3); however: Version of libapt-inst2.0:amd64 on system is 1.2.26. python-apt depends on libapt-pkg5.0 (>= 1.4~beta3); however: Version of libapt-pkg5.0:amd64 on system is 1.2.26. python-apt depends on gnupg; however: Package gnupg is not configured yet. python-apt depends on dirmngr | gnupg (<< 2); however: Package dirmngr is not installed. Version of gnupg on system is 2.2.4-1ubuntu1. dpkg: error processing package python-apt (--configure): dependency problems - leaving unconfigured Setting up libglib2.0-bin (2.56.1-2ubuntu1) ... Setting up libc6-dev:amd64 (2.27-3ubuntu1) ... Setting up gnome-desktop3-data (3.28.1-1ubuntu1) ... Setting up locales (2.27-3ubuntu1) ... Installing new version of config file /etc/locale.alias ... Generating locales (this might take a while)... en_AG.UTF-8... done en_AU.UTF-8... done en_BW.UTF-8... done en_CA.UTF-8... done en_DK.UTF-8... done en_GB.UTF-8... done en_HK.UTF-8... done en_IE.UTF-8... done en_IN.UTF-8... done en_NG.UTF-8... done en_NZ.UTF-8... done en_PH.UTF-8... done en_SG.UTF-8... done en_US.UTF-8... done en_ZA.UTF-8... done en_ZM.UTF-8... done en_ZW.UTF-8... done Generation complete. Setting up libip6tc0:amd64 (1.6.1-2ubuntu2) ... dpkg: dependency problems prevent configuration of libgnupg-interface-perl: libgnupg-interface-perl depends on gnupg | gnupg2; however: Package gnupg is not configured yet. Package gnupg2 is not configured yet. dpkg: error processing package libgnupg-interface-perl (--configure): dependency problems - leaving unconfigured Setting up zlib1g-dev:amd64 (1:1.2.11.dfsg-0ubuntu2) ... dpkg: dependency problems prevent configuration of software-properties-common: gnupg (2.2.4-1ubuntu1) breaks software-properties-common (<= 0.96.24.3) and is unpacked but not configured. Version of software-properties-common to be configured is 0.96.20.7. dpkg: error processing package software-properties-common (--configure): dependency problems - leaving unconfigured Setting up libfontconfig1:amd64 (2.12.6-0ubuntu2) ... Setting up libip4tc-dev:amd64 (1.6.1-2ubuntu2) ... Setting up libgtop-2.0-11:amd64 (2.38.0-2) ... dpkg: dependency problems prevent configuration of debsig-verify: debsig-verify depends on gpg | gnupg; however: Package gpg is not installed. Package gnupg is not configured yet. dpkg: error processing package debsig-verify (--configure): dependency problems - leaving unconfigured Setting up libk5crypto3:amd64 (1.16-2build1) ... Setting up libip6tc-dev:amd64 (1.6.1-2ubuntu2) ... Setting up libxtables-dev:amd64 (1.6.1-2ubuntu2) ... Setting up libfcitx-gclient1:amd64 (1:4.2.9.6-1) ... Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ... Setting up libharfbuzz0b:amd64 (1.7.2-1ubuntu1) ... Setting up libpangoft2-1.0-0:amd64 (1.40.14-1) ... Setting up libpython3.6-minimal:amd64 (3.6.5-3) ... Setting up libiptc-dev:amd64 (1.6.1-2ubuntu2) ... Setting up libexpat1-dev:amd64 (2.2.5-3) ... Setting up libkrb5-3:amd64 (1.16-2build1) ... Processing triggers for fontconfig (2.11.94-0ubuntu1.1) ... Setting up libpython3.6-stdlib:amd64 (3.6.5-3) ... Setting up iptables-dev:amd64 (1.6.1-2ubuntu2) ... Setting up libpangoxft-1.0-0:amd64 (1.40.14-1) ... Setting up libpangocairo-1.0-0:amd64 (1.40.14-1) ... Setting up libgtk-3-0:amd64 (3.22.30-1ubuntu1) ... Setting up libgssapi-krb5-2:amd64 (1.16-2build1) ... Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20180209-0ubuntu1) ... Rebuilding /usr/share/applications/bamf-2.index... Setting up libclutter-gtk-1.0-0:amd64 (1.8.4-3) ... Setting up libgail-3-0:amd64 (3.22.30-1ubuntu1) ... Setting up libunity-control-center1 (15.04.0+18.04.20180216-0ubuntu1) ... Setting up libpython3-stdlib:amd64 (3.6.5-3) ... Setting up libpango1.0-0:amd64 (1.40.14-1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Errors were encountered while processing: unity-control-center libgoa-backend-1.0-1:amd64 python3.6 python3-apt gnupg gnupg2 python3-minimal python-apt libgnupg-interface-perl software-properties-common debsig-verify Upgrade complete The upgrade has completed but there were errors during the upgrade process. To continue please press [ENTER] Thanks