zsam@zsam-System-Product-Name:~$ sudo apt-get install linux-firmware-nonfree
[sudo] password for zsam: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  kde-l10n-engb kde-l10n-fa
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  linux-firmware-nonfree
0 upgraded, 1 newly installed, 0 to remove and 6 not upgraded.
Need to get 2,436 kB of archives.
After this operation, 8,249 kB of additional disk space will be used.
Err http://mirror.23media.de/ubuntu/ utopic/multiverse linux-firmware-nonfree all 1.16
  Cannot initiate the connection to mirror.23media.de:80 (2a00:f48:1007::80). - connect (101: Network is unreachable)
E: Failed to fetch http://mirror.23media.de/ubuntu/pool/multiverse/l/linux-firmware-nonfree/linux-firmware-nonfree_1.16_all.deb  Cannot initiate the connection to mirror.23media.de:80 (2a00:f48:1007::80). - connect (101: Network is unreachable)

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
zsam@zsam-System-Product-Name:~$