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

Calculating dependencies  ...... ... done!
[ebuild   R    ] app-crypt/qca-2.1.3-r1:2::nokit  USE="qt5 ssl -botan -debug -doc -examples -gcrypt -gpg -libressl -logger -nss -pkcs11 -qt4 -sasl -softstore {-test}" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB

WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict:

app-crypt/qca:2

  app-crypt/qca-2.1.3-r2:2/2::nokit, ebuild scheduled for merge conflicts with
    app-crypt/qca:2[qt5] required by net-libs/libktorrent-2.1:5/5::kde-kit, installed
                    ^^^ 
    app-crypt/qca:2[qt5] required by net-irc/konversation-1.7.4:5/5::kde-kit, installed
                    ^^^