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

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

[ebuild  N     ] sys-process/lsof-4.99.7::gentoo  USE="-rpc (-selinux)" 1129 KiB
[ebuild  N     ] sys-cluster/ploop-1.15-r2::gentoo  USE="-debug" 123 KiB

Total: 2 packages (2 new), Size of downloads: 1252 KiB