If anyone comes to this bug report trying to find out why it is still broken, check for your $http_proxy, $https_proxy and $ftp_proxy being set on the machine you are trying to do updates from, these need to be unset.
If anyone comes to this bug report trying to find out why it is still broken, check for your $http_proxy, $https_proxy and $ftp_proxy being set on the machine you are trying to do updates from, these need to be unset.