    # File lib/fog/virtual_box/models/compute/network_adapter.rb, line 30
            def save
              with_session do |session|
                session_raw = session.machine.get_network_adapter(slot)
                # for attribute in [:adapter_type, :bandwidth_limit, :boot_priority, :cable_connected, :enabled, :host_interface, :internal_network, :line_speed, :mac_address, :nat_network, :trace_enabled, :trace_file]
                #   session_raw.send("#{attribute}=", attributes[attribute])
                # end
                session_raw.mac_address = mac_address
                session.machine.save_settings
              end
            end