Did that but I still get this:
root@dcerouter:/var/cache/apt/archives# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/16.6MB of archives.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]?