Fix: resolve the critical issues reported by sonarcube

Change-Id: I4b9d6bd1d4b947609575a82eea445aa6922a6fe4
diff --git a/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/impl/K8sIngressWatcher.java b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/impl/K8sIngressWatcher.java
index e640fcc..af55a05 100644
--- a/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/impl/K8sIngressWatcher.java
+++ b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/impl/K8sIngressWatcher.java
@@ -151,6 +151,7 @@
                     break;
                 case ERROR:
                     log.warn("Failures processing ingress manipulation.");
+                    break;
                 default:
                     break;
             }