[VOL-1499] Use precreated topic

This commit migrate from dynamically created kafka topic to
pre-created topic.  The changes are made in the rw_core, simulated
onu and olt adapters, and ponsim olt and onu adapters.
TODO: move the python shared library changes into the pyvoltha
repo.

Change-Id: Ia92287ec74009872e694aa22eb896d8a6487d231
diff --git a/rw_core/core/logical_device_manager.go b/rw_core/core/logical_device_manager.go
index 1b2fb1e..e313b77 100644
--- a/rw_core/core/logical_device_manager.go
+++ b/rw_core/core/logical_device_manager.go
@@ -306,7 +306,7 @@
 }
 
 func (ldMgr *LogicalDeviceManager) addUNILogicalPort(ctx context.Context, childDevice *voltha.Device) error {
-	log.Debugw("AddUNILogicalPort", log.Fields{"deviceId": childDevice.Id})
+	log.Debugw("AddUNILogicalPort", log.Fields{"childDeviceId": childDevice.Id, "parentDeviceId": childDevice.ParentId})
 	// Sanity check
 	if childDevice.Root {
 		return errors.New("Device-root")