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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libnfnetlink-1.0.2::gentoo  USE="-verify-sig" 292 KiB
[ebuild  N     ] net-misc/l7-protocols-2009.05.28-r1::gentoo  139 KiB
[ebuild  N     ] net-libs/libnetfilter_conntrack-1.1.1::gentoo  USE="-verify-sig" 307 KiB
[ebuild  N     ] net-libs/libnetfilter_queue-1.0.5-r1::gentoo  USE="-doc -static-libs -verify-sig" 307 KiB
[ebuild  N     ] net-misc/l7-filter-userspace-0.12_beta1-r1::gentoo  128 KiB

Total: 5 packages (5 new), Size of downloads: 1171 KiB