code: def create_internal_network_node(network_config)
          builder = Nokogiri::XML::Builder.new do |xml|
            xml.Configuration {
              xml.IpScopes {
                xml.IpScope {
                  xml.IsInherited(network_config[:is_inherited] || "false")
                  xml.Gateway network_config[:gateway]
                  xml.Netmask network_config[:netmask]
                  xml.Dns1 network_config[:dns1] if network_config[:dns1]
                  xml.Dns2 network_config[:dns2] if network_config[:dns2]
                  xml.DnsSuffix network_config[:dns_suffix] if network_config[:dns_suffix]
                  xml.IsEnabled(network_config[:is_enabled] || true)
                  xml.IpRanges {
                    xml.IpRange {
                      xml.StartAddress network_config[:start_address]
                      xml.EndAddress network_config[:end_address]
                    }
                  }
                }
              }
              xml.FenceMode 'isolated'
              xml.RetainNetInfoAcrossDeployments(network_config[:retain_info] || false)
            }
          end
          builder.doc
        end
docs: Create a fake Configuration node for internal networking