You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 console-setup-linux : Depends: keyboard-configuration (= 1.133) but 1.123 is installed
 perl : Depends: perl-base (= 5.20.2-3+deb8u1) but 5.20.2-6 is installed
W: Duplicate sources.list entry http://ftp.de.debian.org/debian/ sid/main amd64 Packages (/var/lib/apt/lists/ftp.de.debian.org_debian_dists_sid_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://ftp.de.debian.org/debian/ sid/contrib amd64 Packages (/var/lib/apt/lists/ftp.de.debian.org_debian_dists_sid_contrib_binary-amd64_Packages)
W: You may want to run apt-get update to correct these problems
E: Unmet dependencies. Try using -f.