feat: update cns network container contract for swift 2 (#2250)

Co-authored-by: Jaeryn <tsch@microsoft.com>
Co-authored-by: Quang Nguyen <nguyenquang@microsoft.com>

cns/NetworkContainerContract.go

@@ -70,6 +70,15 @@ const (
 	Vxlan = "Vxlan"
 )
 
+type NICType string
+
+// NIC Types
+const (
+	InfraNIC NICType = "InfraNIC"
+	// Delegated VM NICs are projected from VM to container network namespace
+	DelegatedVMNIC NICType = "DelegatedVMNIC"
+)
+
 // ChannelMode :- CNS channel modes
 const (
 	Direct         = "Direct"
@@ -406,6 +415,15 @@ type PodIpInfo struct {
 	PodIPConfig                     IPSubnet
 	NetworkContainerPrimaryIPConfig IPConfiguration
 	HostPrimaryIPInfo               HostIPInfo
+	// NICType defines whether NIC is InfraNIC or DelegatedVMNIC
+	NICType       NICType
+	InterfaceName string
+	// MacAddress of interface
+	MacAddress string
+	// SkipDefaultRoutes is true if default routes should not be added on interface
+	SkipDefaultRoutes bool
+	// Routes to configure on interface
+	Routes []Route
 }
 
 type HostIPInfo struct {