>>> Emerging : portage://app-containers/lxc-7.0.0:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sys-libs/libcap-2.78 (static-libs)

 └─step  2─┤ download  portage://app-containers/lxc-7.0.0
             │           └─ file ─┤ 940.15 Kb  	 lxc-7.0.0.tar.gz
             │ download  portage://sys-libs/libcap-2.78
             │           └─ file ─┤ 196.33 Kb  	 libcap-2.78.tar.xz

Total: 3 actions (1 useflag, 2 downloads), grouped into 2 steps.
       1.11 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sys-libs/libcap static-libs