sudden@suddenlaptop:~$ sudo apt full-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  cpp cpp-5 g++ g++-5 gcc gcc-5 gcc-5-base libasan2 libgcc-5-dev libmpx0 libstdc++-5-dev
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.