Updating packages lists
PPA to be removed: pitti systemd
Package revert list generated:
 gir1.2-gudev-1.0/trusty gir1.2-networkmanager-1.0/trusty 
libgudev-1.0-0:amd64/trusty liblightdm-gobject-1-0/trusty 
libnm-glib-vpn1/trusty libnm-glib4/trusty libnm-util2/trusty 
libpam-systemd:amd64/trusty libsystemd-daemon0:amd64/trusty 
libsystemd-journal0:amd64/trusty libsystemd-login0:amd64/trusty 
libudev1:amd64/trusty libudev1:i386/trusty lightdm/trusty 
network-manager/trusty systemd/trusty udev/trusty

Disabling pitti PPA from /etc/apt/sources.list.d/pitti-systemd-trusty.list
Updating packages lists
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Release 'trusty' for 'systemd' was not found
Unable to find an archive "trusty" for the package "systemd"
Unable to find an archive "trusty" for the package "systemd"
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} 
0 packages upgraded, 1 newly installed, 16 downgraded, 0 to remove and 0 not upgraded.
Need to get 1999 kB of archives. After unpacking 2526 kB will be freed.
The following packages have unmet dependencies:
 systemd : Depends: libsystemd-daemon0 (= 204-8ubuntu0pitti1) but 204-5ubuntu20 is to be installed.
           Depends: libsystemd-journal0 (= 204-8ubuntu0pitti1) but 204-5ubuntu20 is to be installed.
           Depends: libsystemd-login0 (= 204-8ubuntu0pitti1) but 204-5ubuntu20 is to be installed.
           Conflicts: systemd-services but 204-5ubuntu20 is to be installed.
           Conflicts: systemd-services:i386 but it is not going to be installed.
The following actions will resolve these dependencies:

     Remove the following packages:
1)     systemd                     



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