omerta@Nabukadnezar:~$ sudo apt-get upgrade
[sudo] password for omerta: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 cpp-5 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 g++-5 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 gcc-5 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libasan2 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libatomic1 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libc6 : Breaks: libc6:i386 (!= 2.23-0ubuntu3) but 2.23-0ubuntu2 is installed
 libc6:i386 : Breaks: libc6 (!= 2.23-0ubuntu2) but 2.23-0ubuntu3 is installed
 libcc1-0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libcilkrts5 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libgcc-5-dev : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libgcc1 : Depends: gcc-6-base (= 6.0.1-0ubuntu1) but it is not installed
           Breaks: libgcc1:i386 (!= 1:6.0.1-0ubuntu1) but 1:6-20160405-0ubuntu2 is installed
 libgcc1:i386 : Breaks: libgcc1 (!= 1:6-20160405-0ubuntu2) but 1:6.0.1-0ubuntu1 is installed
 libgomp1 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libitm1 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 liblsan0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libmpx0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libquadmath0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libstdc++-5-dev : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libstdc++6 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
              Breaks: libstdc++6:i386 (!= 5.3.1-14ubuntu2) but 5.3.1-13ubuntu6 is installed
 libstdc++6:i386 : Breaks: libstdc++6 (!= 5.3.1-13ubuntu6) but 5.3.1-14ubuntu2 is installed
 libtsan0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
 libubsan0 : Depends: gcc-5-base (= 5.3.1-14ubuntu2) but it is not installed
E: Unmet dependencies. Try using -f.