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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] acct-group/openntpd-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/root-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/openntpd-0-r3::gentoo  0 KiB
[ebuild  N     ] net-misc/openntpd-6.2_p3-r2::gentoo  USE="(-selinux)" 438 KiB

Total: 4 packages (4 new), Size of downloads: 438 KiB