Accept this solution? [Y/n/q/?] Y The following packages will be DOWNGRADED: gir1.2-gudev-1.0 gir1.2-networkmanager-1.0 libgudev-1.0-0 liblightdm-gobject-1-0 libnm-glib-vpn1 libnm-glib4 libnm-util2 libpam-systemd libsystemd-daemon0 libsystemd-journal0 libsystemd-login0 libudev1 libudev1:i386 lightdm network-manager udev The following NEW packages will be installed: systemd-services{a} The following packages will be REMOVED: systemd{a} 0 packages upgraded, 1 newly installed, 16 downgraded, 1 to remove and 0 not upgraded. Need to get 1999 kB of archives. After unpacking 7621 kB will be freed. Do you want to continue? [Y/n/?] Y Get: 1 http://en.archive.ubuntu.com/ubuntu/ trusty/main libpam-systemd amd64 204-5ubuntu20 [25,5 kB] Get: 2 http://en.archive.ubuntu.com/ubuntu/ trusty/main systemd-services amd64 204-5ubuntu20 [196 kB] Get: 3 http://en.archive.ubuntu.com/ubuntu/ trusty/main libsystemd-daemon0 amd64 204-5ubuntu20 [9908 B] Get: 4 http://en.archive.ubuntu.com/ubuntu/ trusty/main udev amd64 204-5ubuntu20 [735 kB] Get: 5 http://en.archive.ubuntu.com/ubuntu/ trusty/main libudev1 i386 204-5ubuntu20 [34,3 kB] Get: 6 http://en.archive.ubuntu.com/ubuntu/ trusty/main libudev1 amd64 204-5ubuntu20 [33,5 kB] Get: 7 http://en.archive.ubuntu.com/ubuntu/ trusty/main libsystemd-login0 amd64 204-5ubuntu20 [26,9 kB] Get: 8 http://en.archive.ubuntu.com/ubuntu/ trusty/main libgudev-1.0-0 amd64 1:204-5ubuntu20 [14,1 kB] Get: 9 http://en.archive.ubuntu.com/ubuntu/ trusty/main lightdm amd64 1.10.0-0ubuntu3 [100 kB] Get: 10 http://en.archive.ubuntu.com/ubuntu/ trusty/main libnm-util2 amd64 0.9.8.8-0ubuntu7 [114 kB] Get: 11 http://en.archive.ubuntu.com/ubuntu/ trusty/main libnm-glib4 amd64 0.9.8.8-0ubuntu7 [72,4 kB] Get: 12 http://en.archive.ubuntu.com/ubuntu/ trusty/main network-manager amd64 0.9.8.8-0ubuntu7 [502 kB] Get: 13 http://en.archive.ubuntu.com/ubuntu/ trusty/main libsystemd-journal0 amd64 204-5ubuntu20 [49,8 kB] Get: 14 http://en.archive.ubuntu.com/ubuntu/ trusty/main gir1.2-gudev-1.0 amd64 1:204-5ubuntu20 [5484 B] Get: 15 http://en.archive.ubuntu.com/ubuntu/ trusty/main gir1.2-networkmanager-1.0 amd64 0.9.8.8-0ubuntu7 [35,5 kB] Get: 16 http://en.archive.ubuntu.com/ubuntu/ trusty/main liblightdm-gobject-1-0 amd64 1.10.0-0ubuntu3 [32,0 kB] Get: 17 http://en.archive.ubuntu.com/ubuntu/ trusty/main libnm-glib-vpn1 amd64 0.9.8.8-0ubuntu7 [13,1 kB] Fetched 1999 kB in 6s (321 kB/s) Preconfiguring packages ... dpkg: warning: downgrading libpam-systemd:amd64 from 204-8ubuntu0pitti1 to 204-5ubuntu20 (Reading database ... 289600 files and directories currently installed.) Preparing to unpack .../libpam-systemd_204-5ubuntu20_amd64.deb ... initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused invoke-rc.d: unknown initscript, /etc/init.d/systemd-logind not found. dpkg: error processing archive /var/cache/apt/archives/libpam-systemd_204-5ubuntu20_amd64.deb (--unpack): subprocess installed pre-removal script returned error exit status 100 initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused invoke-rc.d: unknown initscript, /etc/init.d/systemd-logind not found. dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 100 Errors were encountered while processing: /var/cache/apt/archives/libpam-systemd_204-5ubuntu20_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: dpkg: error processing package libpam-systemd:amd64 (--configure): package is in a very bad inconsistent state; you should reinstall it before attempting configuration Errors were encountered while processing: libpam-systemd:amd64 Warning: Something went wrong, packages may not have been reverted