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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] sys-block/nbd-3.25-r1::gentoo  USE="zlib -debug -gnutls -netlink" 554 KiB

Total: 1 package (1 new), Size of downloads: 554 KiB