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

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

[ebuild  N     ] sec-keys/openpgp-keys-openwall-20210107::gentoo  5 KiB
[ebuild  N     ] acct-group/scanlogd-0-r2::gentoo  0 KiB
[ebuild  N     ] net-libs/libnet-1.3-r1:1.1::gentoo  USE="-man -static-libs -test" 603 KiB
[ebuild  N     ] net-libs/libnids-1.26-r2:1.2::gentoo  USE="glib libnet -static-libs" 143 KiB
[ebuild  N     ] acct-user/scanlogd-0-r2::gentoo  0 KiB
[ebuild  N     ] net-analyzer/scanlogd-2.2.8-r1::gentoo  USE="nids -pcap -savedconfig -verify-sig" 12 KiB

Total: 6 packages (6 new), Size of downloads: 762 KiB