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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libnet-1.3-r1:1.1::gentoo  USE="-man -static-libs -test" 603 KiB
[ebuild  N     ] net-analyzer/yersinia-0.8.2_p20221119::gentoo  USE="ncurses -gtk" 262 KiB

Total: 2 packages (2 new), Size of downloads: 865 KiB