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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] net-misc/ethertypes-0::gentoo  1 KiB
[ebuild  N     ] net-firewall/ebtables-2.0.11-r3::gentoo  USE="perl -static -verify-sig" 419 KiB

Total: 2 packages (2 new), Size of downloads: 420 KiB