Packages / package versions which are installed but of unknown origin:
cups-client:amd64 2.1.3-4ubuntu0.2 newer than version in archive
cups-common:all 2.1.3-4ubuntu0.2 newer than version in archive
cups-server-common:all 2.1.3-4ubuntu0.2 newer than version in archive
libcups2:amd64 2.1.3-4ubuntu0.2 newer than version in archive
libcupsimage2:amd64 2.1.3-4ubuntu0.2 newer than version in archive
libdvdcss-dev:amd64 1.4.0-1~local installed: No available version in archive
libdvdcss2:amd64 1.4.0-1~local installed: No available version in archive
libgcrypt11:amd64 1.5.3-2ubuntu4.3 installed: No available version in archive
libgnutls26:amd64 2.12.23-12ubuntu2.5 installed: No available version in archive
libguess1:amd64 1.2.1-0~webupd8~trusty newer than version in archive
libreoffice-presentation-minimizer:all 1:5.1.4-0ubuntu1~trusty1 installed: No available version in archive
librtmp0:amd64 2.4+20121230.gitdf6c518-1 installed: No available version in archive
libvpx1:amd64 1.3.0-2 installed: No available version in archive