questi errori?

roby:/etc/apt# apt-get update
Get:1 ftp://ftp2.fr.debian.org unstable/main Packages
Err ftp://ftp2.fr.debian.org unstable/main Packages
Unable to fetch file, server said '/debian/dists/unstable/main/binary-i386/Packages.gz: No such file or directory '
Get:2 ftp://ftp2.fr.debian.org unstable/main Release
Ign ftp://ftp2.fr.debian.org unstable/main Release
Get:3 ftp://ftp2.fr.debian.org unstable/non-free Packages
Err ftp://ftp2.fr.debian.org unstable/non-free Packages
Unable to fetch file, server said '/debian/dists/unstable/non-free/binary-i386/Packages.gz: No such file or directory '
Get:4 ftp://ftp2.fr.debian.org unstable/non-free Release
Ign ftp://ftp2.fr.debian.org unstable/non-free Release
Get:5 ftp://ftp2.fr.debian.org unstable/contrib Packages
Err ftp://ftp2.fr.debian.org unstable/contrib Packages
Unable to fetch file, server said '/debian/dists/unstable/contrib/binary-i386/Packages.gz: No such file or directory '
Get:6 ftp://ftp2.fr.debian.org unstable/contrib Release
Ign ftp://ftp2.fr.debian.org unstable/contrib Release
Get:7 ftp://ftp2.fr.debian.org unstable/main Sources
Err ftp://ftp2.fr.debian.org unstable/main Sources
Unable to fetch file, server said '/debian/dists/unstable/main/source/Sources.gz: No such file or directory '
Get:8 ftp://ftp2.fr.debian.org unstable/main Release
Ign ftp://ftp2.fr.debian.org unstable/main Release
Get:9 ftp://ftp2.fr.debian.org unstable/non-free Sources
Err ftp://ftp2.fr.debian.org unstable/non-free Sources
Unable to fetch file, server said '/debian/dists/unstable/non-free/source/Sources.gz: No such file or directory '
Get:10 ftp://ftp2.fr.debian.org unstable/non-free Release
Ign ftp://ftp2.fr.debian.org unstable/non-free Release
Get:11 ftp://ftp2.fr.debian.org unstable/contrib Sources
Err ftp://ftp2.fr.debian.org unstable/contrib Sources
Unable to fetch file, server said '/debian/dists/unstable/contrib/source/Sources.gz: No such file or directory '
Get:12 ftp://ftp2.fr.debian.org unstable/contrib Release
Ign ftp://ftp2.fr.debian.org unstable/contrib Release
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...86/Packages.gz Unable to fetch file, server said '/debian/dists/unstable/main/binary-i386/Packages.gz: No such file or directory '
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...86/Packages.gz Unable to fetch file, server said '/debian/dists/unstable/non-free/binary-i386/Packages.gz: No such file or directory '
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...86/Packages.gz Unable to fetch file, server said '/debian/dists/unstable/contrib/binary-i386/Packages.gz: No such file or directory '
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...rce/Sources.gz Unable to fetch file, server said '/debian/dists/unstable/main/source/Sources.gz: No such file or directory '
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...rce/Sources.gz Unable to fetch file, server said '/debian/dists/unstable/non-free/source/Sources.gz: No such file or directory '
Failed to fetch ftp://ftp2.fr.debian.org/debian/dist...rce/Sources.gz Unable to fetch file, server said '/debian/dists/unstable/contrib/source/Sources.gz: No such file or directory '
Reading Package Lists... Done
E: Some index files failed to download, they have been ignored, or old ones used instead.
roby:/etc/apt#