[AETHER-1550] Add additional trace logs in P4RT SB

log:set TRACE org.onosproject.p4runtime.ctl.client.WriteRequestImpl
to have all the prints we need

Change-Id: Ie46e36145769ffc7a91485ee3f3791a94cf8b8a9
diff --git a/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/client/WriteRequestImpl.java b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/client/WriteRequestImpl.java
index 36befeb..2201948 100644
--- a/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/client/WriteRequestImpl.java
+++ b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/client/WriteRequestImpl.java
@@ -238,6 +238,10 @@
                     .build();
             requestMsg.addUpdates(updateMsg);
             responseBuilder.addPendingResponse(handle, piEntity, updateType);
+            if (log.isTraceEnabled()) {
+                log.trace("Adding {} update to write request for {}: {}", updateType, handle.deviceId(),
+                        piEntity == null ? handle : piEntity);
+            }
         } catch (CodecException e) {
             responseBuilder.addFailedResponse(
                     handle, piEntity, updateType, e.getMessage(),