Preparing to unpack .../0-systemd-sysv_237-3ubuntu10_amd64.deb ...
Unpacking systemd-sysv (237-3ubuntu10) over (234-2ubuntu12.4) ...
Removing 'diversion of /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service to /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd by systemd-shim'
dpkg-divert: error: rename involves overwriting '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.service' with
  different file '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd', not allowed
dpkg: error processing archive /tmp/apt-dpkg-install-ClXBz3/0-systemd-sysv_237-3ubuntu10_amd64.deb (--unpack):
 subprocess installed post-removal script returned error exit status 2