[VOL-2778] Adding pbits to DHCP packets

Change-Id: I3bfb80c566a08ec69f05f90e33b8196ad401b33d
diff --git a/internal/bbsim/devices/olt.go b/internal/bbsim/devices/olt.go
index 49ea3fe..61cbfcc 100644
--- a/internal/bbsim/devices/olt.go
+++ b/internal/bbsim/devices/olt.go
@@ -766,7 +766,7 @@
 
 			service := s.(*Service)
 
-			doubleTaggedPkt, err := packetHandlers.PushDoubleTag(service.STag, service.CTag, message.Pkt)
+			doubleTaggedPkt, err := packetHandlers.PushDoubleTag(service.STag, service.CTag, message.Pkt, service.UsPonCTagPriority)
 			if err != nil {
 				log.Error("Fail to add double tag to packet")
 			}