Work in progress

Getting networking right is always an issue. At the very least we currently (September 2023) need:

=== root@eureka (/dev/pts/26) ~ 39 -> kldload ng_ether
=== root@eureka (/dev/pts/26) ~ 40 -> kldload vboxdrv
=== root@eureka (/dev/pts/26) ~ 41 -> kldload vboxnetadp
=== root@eureka (/dev/pts/26) ~ 42 -> kldstat
Id Refs Address            Size     Name
...
13    1 0xffffffff82d53000 412b     ng_ether.ko
14    3 0xffffffff82c35000 4e436    vboxdrv.ko
15    1 0xffffffff82c84000 3f64     vboxnetadp.ko
16    1 0xffffffff82c88000 2a02     vboxnetflt.ko

It seems that vboxnetflt gets loaded automatically.

In /boot/loader.conf, add:

ng_ether_load="YES"                     # For VirtualBox
vboxdrv_load="YES"                      # VirtualBox module
vboxnetadpdrv_load="YES"                # VirtualBox module

Configure network adapters: set “Bridged Adapter”. The Name: parameter refers to the interface on the host, not the guest. In some cases (here for example) the guest needs to be rebooted after reloading klds.