[VOL-4579] ETH SRC parse changes for FTTB DPU Mgmt and ANCP traffic flowsETH_SRC parse changes for FTTB flows

Change-Id: I564eeb227a6f1f3435cc411ee2ab75a181166f19
diff --git a/internal/pkg/openflow/flowMod.go b/internal/pkg/openflow/flowMod.go
index 501324e..181814a 100644
--- a/internal/pkg/openflow/flowMod.go
+++ b/internal/pkg/openflow/flowMod.go
@@ -398,6 +398,10 @@
 			field.Value = &openflow_13.OfpOxmOfbField_EthDst{
 				EthDst: val.(net.HardwareAddr),
 			}
+		case openflow_13.OxmOfbFieldTypes_OFPXMT_OFB_ETH_SRC:
+			field.Value = &openflow_13.OfpOxmOfbField_EthSrc{
+				EthSrc: val.(net.HardwareAddr),
+			}
 		case openflow_13.OxmOfbFieldTypes_OFPXMT_OFB_UDP_SRC:
 			field.Value = &openflow_13.OfpOxmOfbField_UdpSrc{
 				UdpSrc: uint32(val.(uint16)),