VirtualBox Host-Only Networking Change

In case this save someone hours of frustration. I recentlty tried to dust off an old kubernetes POC running on virtualbox VM's. I could not get anything to work right until I realized that Virtualbox somewhere in v6.x started to ONLY support for their host-only networks. Even though my old vboxnet's where still there and even configurable!

My kubernetes POC had primary NAT and secondary host-only networks. I still had to re-initialize my cluster an lost all my POC work even after I fixed the networking but at least this may point you in the right direction. To allow my network I added this to the config file:

# cat /etc/vbox/networks.conf


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