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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] sys-cluster/drbd-utils-9.25.0::gentoo  USE="(split-usr) udev (-pacemaker) (-selinux) -xen" 1374 KiB

Total: 1 package (1 new), Size of downloads: 1374 KiB