apt-get failed to fetch errors...

I'm seeing the following errors running 'apt-get update'. Not sure why. /var/log/apt-cacher/error.log shows no errors.

% sudo apt-get update
...
Err http://us.archive.ubuntu.com jaunty/multiverse Translation-en_US          
 Error reading from server - read (104 Connection reset by peer)
...
Err http://us.archive.ubuntu.com jaunty-updates/universe Translation-en_US
 Error reading from server - read (104 Connection reset by peer)
...
Hit http://us.archive.ubuntu.com jaunty-updates/multiverse Sources
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/jaunty/multiverse/i18n/Translation-en_US.bz2  Error reading from server - read (104 Connection reset by peer)

W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/jaunty-updates/universe/i18n/Translation-en_US.bz2  Error reading from server - read (104 Connection reset by peer)

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