how docker's libnetwork works

gistfile1.txt

docker start ...

docker/daemon/container_linux.go

container.Start()
  container.initializeNetworking()
    container.AllocateNetwork()
      n := container.daemon.netController.NetworkByName()
      ep := n.CreateEndpoint()
        d := n.driver
        d.CreateEndpoint()
          ep.AddInterface()
            ep.iFaces := append(.., iface)
      ep.Join()
        sb := ctrlr.sandboxAdd()
        for _, iface := range ep.iFaces
          sb.AddInterface(iface)