https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages

!!! The following binary packages have been ignored due to changed dependencies:

x11-misc/x11vnc-0.9.14_p20161013::gentoo
mate-base/mate-applets-1.16.0::gentoo
x11-misc/parcellite-1.2.1::gentoo
sys-libs/glibc-2.23-r3::gentoo

NOTE: The --binpkg-changed-deps=n option will prevent emerge
from ignoring these binary packages if possible.
Using --binpkg-changed-deps=y will silence this warning.

!!! All ebuilds that could satisfy "x11-base/xorg-server:0/1.18.4=" have been masked.
!!! One of the following masked packages is required to complete your request:
- x11-base/xorg-server-1.18.4::gentoo (masked by: )

(dependency required by "x11-drivers/xf86-video-vesa-2.3.4::gentoo" [installed])
(dependency required by "x11-base/xorg-drivers-1.19::gentoo" [binary])
(dependency required by "x11-base/xorg-server-1.19.2::gentoo" [binary])
(dependency required by "x11-drivers/nvidia-drivers-340.101::gentoo[X]" [ebuild])
(dependency required by "@selected" [set])
(dependency required by "@world" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.

!!! Invalid news item: /usr/portage/metadata/news/2017-04-10-split-and-slotted-wine/2017-04-10-split-and-slotted-wine.en.txt
!!! line 6: News-Item-Format: 2.0

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