!! WARNING !!
freevrrpd now use the netgraph layout. netgraph, ng_ether, ng_bridge and ng_eiface are required to run correctly.

Unfortunately some netgraph modules doesn't load automatically, you need to load them manually.
use:

kldload ng_eiface
kldload ng_bridge
kldload ng_ether

OR

add these lines to your /boot/loader.conf:

ng_ether_load="YES"
ng_bridge_load="YES"
ng_eiface_load="YES"