lldp discovery independent of OF

Change-Id: I720f727f6628e30e5d732e6d7bf742d1b7050812
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/PathIntentInstaller.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/PathIntentInstaller.java
index 8111681..dd6d7e5 100644
--- a/core/net/src/main/java/org/onlab/onos/net/intent/impl/PathIntentInstaller.java
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/PathIntentInstaller.java
@@ -96,7 +96,7 @@
 
             FlowRule rule = new DefaultFlowRule(link.src().deviceId(),
                     builder.build(), treatment,
-                    123, appId, 600);
+                    123, appId, 15);
             rules.add(new FlowRuleBatchEntry(FlowRuleOperation.ADD, rule));
             prev = link.dst();
         }