Changing submit to execute in different providers for exception throwing

Change-Id: I2d93b365640e3be48de913e1a069d5f5a53eb303
diff --git a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/LldpLinkProvider.java b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/LldpLinkProvider.java
index d53d470..d608d4a 100644
--- a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/LldpLinkProvider.java
+++ b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/LldpLinkProvider.java
@@ -785,7 +785,7 @@
 
         @Override
         public void event(NetworkConfigEvent event) {
-            SharedExecutors.getSingleThreadExecutor().execute(() -> {
+            SharedExecutors.getPoolThreadExecutor().execute(() -> {
                 if (event.configClass() == LinkDiscoveryFromDevice.class &&
                         CONFIG_CHANGED.contains(event.type())) {