vb.cpus = "4"
vb.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"]
vb.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"]
vb.cpus = "4"
vb.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"]
vb.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"]