This is my configuration:
igb0 - Physical connection - No assigned IP
-vlan70 - 192.168.70.7
-vlan71 - Bridge interface for VM, no IP address
-vlan74 - 192.168.174.2
Upon reboot, I must go into the remote console and issue an ifconfig igb0 down && ifconfig igb0 up before FreeNAS starts...