[SEBA-817][SEBA-821]
Adding c/s tags and hw address in the onu struct
DHCP State machine completed
Cleaned up logs

Change-Id: Iadb1d3967befe1c402e302a552b67faa2701f5c5
diff --git a/internal/bbsim/devices/helpers.go b/internal/bbsim/devices/helpers.go
index 920b1d4..5a56825 100644
--- a/internal/bbsim/devices/helpers.go
+++ b/internal/bbsim/devices/helpers.go
@@ -16,7 +16,11 @@
 
 package devices
 
-import "github.com/looplab/fsm"
+import (
+	"github.com/looplab/fsm"
+	"github.com/opencord/voltha-protos/go/openolt"
+	"strconv"
+)
 
 var newFSM = fsm.NewFSM
 
@@ -34,3 +38,11 @@
 		},
 	)
 }
+
+func onuSnToString(sn *openolt.SerialNumber) string {
+	s := string(sn.VendorId)
+	for _, i := range sn.VendorSpecific {
+		s = s + strconv.FormatInt(int64(i/16), 16) + strconv.FormatInt(int64(i%16), 16)
+	}
+	return s
+}