apt-get sucks

root@server:~# apt-get -y install linux-generic
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  firefox-locale-en libmpdec2 linux-image-2.6.38-9-server
  linux-image-3.2.0-60-generic
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  linux-headers-generic linux-image-generic
The following packages will be REMOVED
  linux-headers-server
The following packages will be DOWNGRADED:
  linux-generic linux-headers-generic linux-image-generic
0 to upgrade, 0 to newly install, 3 to downgrade, 1 to remove and 6 not to upgrade.
Need to get 6,426 B of archives.
After this operation, 35.8 kB disk space will be freed.
E: There are problems and -y was used without --force-yes

http://serverfault.com/questions/842115/apt-get-autoremove-sendmail-leaves-dependencies-behind