Suppressing PathNotFound exception

Change-Id: If92b4de390917c56b637abb5bdd42c2f97be507b
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
index d8c2dcd..c4008aa 100644
--- a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
@@ -293,6 +293,8 @@
             // If all went well, associate the resulting list of installable
             // intents with the top-level intent and proceed to install.
             update.setInstallables(installables);
+        } catch (PathNotFoundException e) {
+            log.debug("Path not found for intent {}", intent.id());
         } catch (IntentException e) {
             log.warn("Unable to compile intent {} due to:", intent.id(), e);