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-libs/libnfnetlink-1.0.2::gentoo  USE="-verify-sig" 292 KiB
[ebuild  N     ] net-libs/libnetfilter_queue-1.0.5-r1::gentoo  USE="-doc -static-libs -verify-sig" 307 KiB
[ebuild  N     ] net-analyzer/thc-ipv6-3.8::gentoo  USE="ssl" 690 KiB

Total: 3 packages (3 new), Size of downloads: 1288 KiB