These are the packages that would be merged, in order:

Calculating world dependencies  ....
!!! All ebuilds that could satisfy ">=sys-fs/udev-070" have been masked.
!!! One of the following masked packages is required to complete your request:
- sys-fs/udev-079-r1 (masked by: package.mask)
# Gustavo Zacarias <gustavoz@gentoo.org>
# New toys enabled by 2.6 headers

- sys-fs/udev-089 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-086 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-087 (masked by: package.mask)
- sys-fs/udev-084 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-085 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-081 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-089-r1 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-089-r2 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-070-r1 (masked by: package.mask)
- sys-fs/udev-081-r1 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077-r1 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077-r2 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077-r3 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077-r4 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077-r5 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-090 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-073 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-072 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-071 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-077 (masked by: package.mask, ~x86 keyword)
- sys-fs/udev-079 (masked by: package.mask)
- sys-fs/udev-078 (masked by: package.mask, ~x86 keyword)

For more information, see MASKED PACKAGES section in the emerge man page or 
refer to the Gentoo Handbook.
(dependency required by "sys-apps/baselayout-1.11.14-r8" [ebuild])



!!! Problem resolving dependencies for virtual/baselayout
!!! Depgraph creation failed.