Sometimes its useful to declare your computer type in virtualbox as something other than a virtual …
https://kerneltalks.com/virtualization/how-to-reset-iptables-to-default-settings/
create a virtual machine
Derived from these instructions on HowToGeek
sudo apt reinstall virtualbox-dkms virtualbox-ext-pack virtualbox-qt virtualbox
sudo nano …
sudo usermod -a -G vboxusers $USER
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