Why am I getting an RTNETLINK Operation Not Permitted when using Pipework with Docker containers?

Question

I\'m running CoreOS stable 494.5.0 using Vagrant/VirtualBox and am running the vanilla ruby:2.1.5 Docker image. I\'m trying to use Pipework to connect the Docker container to a

Answer 1

In your docker-compose.yml you can add this:

container_or_service_name:
  cap_add:
    - NET_ADMIN

Credit where credit is due: this answer is based on a comment by @petrkotek under the accepted answer, but I ended up using it myself, so I wanted to make it more visible.