I had been using the s3cmd python utility on a FreeBSD server without incident until this morning.
It stopped working this morning with the following error message:
WARNING: Retrying failed request: /?prefix=[directory name]/ ([Errno 8] hostname nor servname provided, or not known)
WARNING: Waiting 3 sec...
Since it was working yesterday, is not working today and nothing has changed on my end, something must have changed on DO's end.