+ Note that a virtual network "mcpcontrol" is always created. For virtual
+ deploys, "mcpcontrol" is also used for PXE, leaving the PXE bridge unused.
+ For baremetal deploys, PXE bridge is used for baremetal node provisioning,
+ while "mcpcontrol" is used to provision the infrastructure VMs only.
+ The default is 'pxebr'.