localhost sabayon # layman -a sabayon
* Failed to add overlay "sabayon".
* Error was: Overlay "sabayon" already in the local list!
localhost sabayon # layman -d sabayon
* Failed to delete overlay "sabayon".
* Error was: Did not find a PORTDIR_OVERLAY entry in file /usr/portage/local/layman/make.conf! Did you specify the correct file?