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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] net-misc/udpcast-20211207-r1::gentoo  USE="-hardened" 168 KiB

Total: 1 package (1 new), Size of downloads: 168 KiB