>>> Emerging : portage://sys-kernel/linux-headers-4.9-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sys-kernel/linux-headers-4.9-r1
             │           └─ file ─┤ 5.29 Kb  	 gentoo-headers-4.9-1.tar.xz
             │                    │ 3.87 Mb  	 gentoo-headers-base-4.9.tar.xz

Total: 1 action (1 download), grouped into 1 step.
       3.87 Mb to be downloaded.