TechTip. If you're running #docker, make sure you don't have "connman" installed
@patterfloof What's connman?
@IceWolf basically, it nukes the routing tables for docker & your host system at some point during image build, if the build takes long enough https://forums.docker.com/t/resolved-building-image-network-lost-during-build/74439/2
@patterfloof ......Ouch! That's...way worse than what I was expecting. :3