>>> Emerging : portage://net-misc/iperf-3.19.1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-libs/cJSON-1.7.19
             │           └─ file ─┤ 347.90 Kb  	 cJSON-1.7.19.tar.gz
             │ download  portage://net-misc/iperf-3.19.1
             │           └─ file ─┤ 682.08 Kb  	 iperf-3.19.1.tar.gz

Total: 2 actions (2 downloads), grouped into 1 step.
       1.01 Mb to be downloaded.