When list virtual network interfaces, some of them are not anymore needed:
vboxnet1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:01
vboxnet8: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:08
vboxnet9: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:09
vboxnet11: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:0b
vboxnet12: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:0c
How can I make them disable them for good?
How to Disable a Network Interface. The “down” or “ifdown” flag with interface name (eth0) deactivates the specified network interface. For example, the “ifconfig eth0 down” or “ifdown eth0” command deactivates the eth0 interface if it is in an inactive state.
Open VirtualBox Select the guest OS. Click on the Settings button. Go to Network Untick Enable Network Adapter Click on OK .
Show activity on this post. Open "Network connections" right click on the adapter you want delete and select properties. Under Networking -> click on configure. go to Driver tab on the popup and click on uninstall. This will remove it from the list.
It turns out VirtualBox comes natively with a special command dedicated to this need:
e.g. to remove the network interface vboxnet0, execute the following command
VBoxManage hostonlyif remove vboxnet0
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