>>> Emerging : portage://dev-libs/libffi-3.4.8-r3:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-libs/libffi-3.4.8-r3
             │           └─ file ─┤ 1.33 Mb  	 libffi-3.4.8.tar.gz

 └─step  2─┤ downgrade portage://dev-libs/libffi-3.4.8-r3 (replaces pkg://dev-libs/libffi-3.5.2)
             │           └─ conf ─┤ USE = "exec-static-trampoline -debug -pax-kernel -static-libs -test"
             │                    │ SLOT = "0/8"

 └─step  3─┤ run     portage://dev-libs/libffi-3.4.8-r3

Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
       1.33 Mb to be downloaded.