Fixed a few intent synchronization issues.

Also added a CLI command to test SDN-IP primary switchover.

Change-Id: Id31f79262a2b607f987adad2fdb3eb54eb939fea
diff --git a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSession.java b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSession.java
index c4a2a0c..a6f3329 100644
--- a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSession.java
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/bgp/BgpSession.java
@@ -1594,7 +1594,7 @@
         //
         // Parse the KEEPALIVE message: nothing to do
         //
-        log.debug("BGP RX KEEPALIVE message from {}", remoteAddress);
+        log.trace("BGP RX KEEPALIVE message from {}", remoteAddress);
 
         // Start the Session Timeout timer
         restartSessionTimeoutTimer(ctx);