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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] acct-group/argus-0-r2::gentoo  0 KiB
[ebuild  N     ] acct-user/argus-0-r2::gentoo  0 KiB
[ebuild  N     ] net-analyzer/argus-3.0.8.3-r2::gentoo  USE="-debug -sasl -tcpd" 513 KiB

Total: 3 packages (3 new), Size of downloads: 513 KiB