Cleaning the ONU state when the ONU is disabled

Change-Id: I28cf9b11dd086bef73835de4c8fa4c6bcd7a92e7
diff --git a/internal/bbsim/devices/onu.go b/internal/bbsim/devices/onu.go
index 1acb063..a21d96a 100644
--- a/internal/bbsim/devices/onu.go
+++ b/internal/bbsim/devices/onu.go
@@ -221,6 +221,8 @@
 
 				// clean the ONU state
 				o.DhcpFlowReceived = false
+				o.EapolFlowReceived = false
+				o.GemPortAdded = false
 				o.PortNo = 0
 				o.Flows = []FlowKey{}