The following packages have unmet dependencies: libvlccore8 : Depends: vlc-data (= 2.2.4-1~deb8u1) but 1:2.0.6-dmo3 is to be installed Bah!
you have enabled the Deb Multimedia repo. Which is not part of Debian. Now you have two options: - remove the repo and use the real Debian packages - wait for a newer version in the multimedia repo