localhost ~ # emerge sabayon-sources
Calculating dependencies... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) sys-kernel/sabayon-sources-2.6.23-r1 to /
 * tuxonice-2.2.10.4-for-2.6.23-rc9.patch.bz2 MD5 RMD160 SHA1 SHA256 size ;-) ...         [ ok ]
 * linux-2.6.23.tar.bz2 MD5 RMD160 SHA1 SHA256 size ;-) ...               [ ok ]
>>> Downloading 'http://distfiles.gentoo.org/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--16:52:26--  http://distfiles.gentoo.org/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving distfiles.gentoo.org... 216.165.129.135, 156.56.247.195, 140.211.166.134, ...
Connecting to distfiles.gentoo.org|216.165.129.135|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
16:52:26 ERROR 404: Not Found.

>>> Downloading 'http://distro.ibiblio.org/pub/linux/distributions/gentoo/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--16:52:26--  http://distro.ibiblio.org/pub/linux/distributions/gentoo/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving distro.ibiblio.org... 152.46.7.109
Connecting to distro.ibiblio.org|152.46.7.109|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
16:52:27 ERROR 404: Not Found.

>>> Downloading 'http://download.filesystems.org/unionfs/unionfs-2.1/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--16:52:27--  http://download.filesystems.org/unionfs/unionfs-2.1/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving download.filesystems.org... 130.245.126.1
Connecting to download.filesystems.org|130.245.126.1|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
16:52:33 ERROR 404: Not Found.

!!! Couldn't download 'unionfs-2.1.6_for_2.6.23-rc8.diff.gz'. Aborting.
 * Fetch failed for 'sys-kernel/sabayon-sources-2.6.23-r1'
!!! can't process invalid log file: merge.ERROR