Just did a dnf update, this comes out:
...
Running scriptlet: firefox-58.0.1-1.fc27.x86_64 18/18
Running scriptlet: firefox-58.0-4.fc27.x86_64 18/18
Running as unit: run-r1880116b569f49288e6d0da0c5832367.service
Running as unit: run-r329e01978cfe43258a05456898834edb.service
Verifying : GraphicsMagick-1.3.28-1.fc27.x86_64 1/18
Verifying : GraphicsMagick-c++-1.3.28-1.fc27.x86_64 2/18
...
Running as unit? Huh?