• Stop bhyve from loading
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• [Solved] Virtualbox-ose-6.1.5 fails to start any type of guest VM in 14.1 release

added vboxdrv_load="YES" line to /boot/loader.conf

Did you also load the module or rebooted the system? It’s not dynamic, the modules in /boot/loader.conf are only loaded when the system boots.

the issue was vmm loading up as well due to the vm_dir line being in /etc/rc.conf

Right. sysutils/vm-bhyve automatically loads it if it’s enabled. Unfortunately the two virtualization layers don’t play nice with each other.