On Wed, 4 Apr 2012 12:41:59 +0100 'Chris Hall' wrote: > There is clearly a mechanism for this, since an upgrade (rather than a clean install) appears to do it. But it seems to be buried many layers deep in udev spells :-( I think "yum erase biosdevname" will eradicate all helpful renaming features and allow your persistent net definition to work (maybe :-).