Filelist for epel frequently seems to be incorrect

We've been seeing this intermittently but with increasing frequency of late: the filelist provided does not match the contents of the mirror (kernel.org in our case) which results in a lot of "No such file or directory" errors spammed out from the quick-fedora-mirror script. Is this something we should try to tune on our end or is there a sync issue upstream from us which needs to be looked into?