...
To create a virtual network, click the Create Virtual Network button. For further details on creating, changing and removing a virtual network, see the section Host System Network Configuration. Only internal bridges (without binding interface) can should be used with cloud-specific Charon-SSP AWSinstances.
To modify an existing virtual Ethernet adapter, select it from the list of configured devices and click on Edit (the edit button becomes visible once an interface has been selected).
To remove an existing virtual Ethernet adapter, select the adapter from the list of configured devices and click the Remove button (the remove button becomes visible once an interface has been selected).
To add a new virtual Ethernet adapter, click the Add button.
...