Net.hook/create failed

Hi,
I am trying to install sphinxs on my Ubuntu 18.04, but I get the following error:
[Err] [Machine.cc:1077] Failed to start anafi4k : net.hook/create failed.
I am assuming this has something to do with network/wifi, but I don’t really know what it is. I have changed the stolen interface name in anafi4k.drone, so that is not the problem.
Does anybody know what this error means?