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

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

[ebuild   R    ] net-analyzer/mtr-0.96-r1::gentoo  USE="filecaps ipinfo ipv6 ncurses -gui -jansson" 155 KiB

Total: 1 package (1 reinstall), Size of downloads: 155 KiB