FIxing basic device config and demoting some config-related messages to debug.

Change-Id: I38b8479a9e3f367c26b0400de4c7b92719f19dcc
diff --git a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
index f48b836..ea6417d 100644
--- a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
+++ b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
@@ -252,7 +252,7 @@
             if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED ||
                     event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED) &&
                     event.configClass().equals(BasicHostConfig.class)) {
-                log.info("Detected Host network config event {}", event.type());
+                log.debug("Detected host network config event {}", event.type());
                 kickOutBadHost(((HostId) event.subject()));
             }
         }