$ sudo debmirror --progress --verbose --host=nl.archive.ubuntu.com --method=rsync --root=:ubuntu --dist=gutsy,gutsy-updates,gutsy-security --arch=i386,amd64 --rsync-options="--bwlimit=2048" /data/ubuntu
Mirroring to /data/ubuntu from rsync://anonymous@nl.archive.ubuntu.com/:ubuntu/
Arches: i386,amd64
Dists: gutsy,gutsy-updates,gutsy-security
Sections: main,contrib,non-free,main/debian-installer
Including source.
Will clean up AFTER mirroring.
Download at most 200 files per rsync call.
Pdiff mode: use.
Attempting to get lock, this might take 2 minutes before it fails.
Get Release files.
remote_get rsync dists/gutsy/Release
skipping directory /.

sent 66 bytes  received 9 bytes  150.00 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy/Release failed md5sum check
remote_get rsync dists/gutsy/Release.gpg
skipping directory /.

sent 70 bytes  received 9 bytes  158.00 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy/Release.gpg failed md5sum check
Release signature does not verify, file missing.
remote_get rsync dists/gutsy-updates/Release
skipping directory /.

sent 82 bytes  received 9 bytes  182.00 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy-updates/Release failed md5sum check
remote_get rsync dists/gutsy-updates/Release.gpg
skipping directory /.

sent 86 bytes  received 9 bytes  190.00 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy-updates/Release.gpg failed md5sum check
Release signature does not verify, file missing.
remote_get rsync dists/gutsy-security/Release
skipping directory /.

sent 84 bytes  received 9 bytes  186.00 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy-security/Release failed md5sum check
remote_get rsync dists/gutsy-security/Release.gpg
skipping directory /.

sent 88 bytes  received 9 bytes  64.67 bytes/sec
total size is 0  speedup is 0.00
dists/gutsy-security/Release.gpg failed md5sum check
Release signature does not verify, file missing.
Errors:
 Download of dists/gutsy/Release failed
 Download of dists/gutsy/Release.gpg failed
 Release signature does not verify.
 Download of dists/gutsy-updates/Release failed
 Download of dists/gutsy-updates/Release.gpg failed
 Release signature does not verify.
 Download of dists/gutsy-security/Release failed
 Download of dists/gutsy-security/Release.gpg failed
 Release signature does not verify.
Failed to download some Release or Release.gpg files!
WARNING: releasing 1 pending lock...