argent@argent-desktop:~$ sudo apt-get update
Hit http://security.ubuntu.com karmic-security Release.gpg                                                                                                                                                      
Ign http://security.ubuntu.com karmic-security/main Translation-en_AU
Hit http://packages.medibuntu.org karmic Release.gpg
Ign http://packages.medibuntu.org karmic/free Translation-en_AU
Ign http://packages.medibuntu.org karmic/non-free Translation-en_AU
Ign http://security.ubuntu.com karmic-security/restricted Translation-en_AU
Ign http://security.ubuntu.com karmic-security/universe Translation-en_AU
Ign http://security.ubuntu.com karmic-security/multiverse Translation-en_AU
Hit http://security.ubuntu.com karmic-security Release
Hit http://ppa.launchpad.net karmic Release.gpg
Ign http://ppa.launchpad.net karmic/main Translation-en_AU
Hit http://packages.medibuntu.org karmic Release
Hit http://security.ubuntu.com karmic-security/main Packages
Hit http://ppa.launchpad.net karmic Release
Hit http://packages.medibuntu.org karmic/free Packages
Hit http://security.ubuntu.com karmic-security/restricted Packages
Hit http://security.ubuntu.com karmic-security/main Sources
Hit http://security.ubuntu.com karmic-security/restricted Sources
Hit http://security.ubuntu.com karmic-security/universe Packages
Hit http://ppa.launchpad.net karmic/main Packages
Hit http://packages.medibuntu.org karmic/non-free Packages
Hit http://security.ubuntu.com karmic-security/universe Sources
Hit http://security.ubuntu.com karmic-security/multiverse Packages
Hit http://security.ubuntu.com karmic-security/multiverse Sources
Err http://au.archive.ubuntu.com karmic Release.gpg
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic/main Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic/restricted Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic/universe Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic/multiverse Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic-updates Release.gpg
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic-updates/main Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic-updates/restricted Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic-updates/universe Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Err http://au.archive.ubuntu.com karmic-updates/multiverse Translation-en_AU
  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]
Reading package lists... Done
W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic/Release.gpg  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic/main/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic/restricted/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic/universe/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic/multiverse/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic-updates/Release.gpg  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic-updates/main/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic-updates/restricted/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic-updates/universe/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/karmic-updates/multiverse/i18n/Translation-en_AU.bz2  Cannot initiate the connection to au.archive.ubuntu.com:80 (2001:388:30bc:cafe::beef). - connect (101: Network is unreachable) [IP: 2001:388:30bc:cafe::beef 80]

W: Some index files failed to download, they have been ignored, or old ones used instead.