tmp: use tentative node name if not scheduled yet

pkg/plugin/handle_pod.go

@@ -109,12 +109,17 @@ func (s *PluginState) updatePod(
 		return nil
 	}
 
-	logger = logger.With(logFieldForNodeName(pod.Spec.NodeName))
+	nodeName := pod.Spec.NodeName
+	if nodeName == "" {
+		nodeName = tentativeNode
+	}
+
+	logger = logger.With(logFieldForNodeName(nodeName))
 
 	var ok bool
-	ns, ok = s.nodes[pod.Spec.NodeName]
+	ns, ok = s.nodes[nodeName]
 	if !ok {
-		return fmt.Errorf("pod's node %q is not present in local state", pod.Spec.NodeName)
+		return fmt.Errorf("pod's node %q is not present in local state", nodeName)
 	}
 
 	// make the changes in Speculatively() so that we can log both states before committing, and