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

Calculating dependencies ... done!
Dependency resolution took 1.57 s (backtrack: 0/20).

[ebuild     U  ] sys-apps/dbus-1.16.2-r1::gentoo [1.16.2::gentoo] USE="X -apparmor% -audit% -debug -doc -elogind (-selinux) -static-libs (-systemd) -test -valgrind" 1090 KiB

Total: 1 package (1 upgrade), Size of downloads: 1090 KiB