Add additional parameters that were in the VBoxDevice section or not
        present

def add_to_virtualbox(self):
        """
        Add additional parameters that were in the VBoxDevice section or not
        present
        """
        # VirtualBox Image
        if 'vmname' not in self.node['properties']:
            self.node['properties']['vmname'] = \
                self.hypervisor['VBoxDevice']['image']
        # Number of adapters
        if 'adapters' not in self.node['properties']:
            self.node['properties']['adapters'] = \
                self.hypervisor['VBoxDevice']['nics']
        # Console Port
        if 'console' not in self.node['properties']:
            self.node['properties']['console'] = \
                self.base_ports['vbox_console'] + self.node['vbox_id'] - 1