Netconf Flooding logging system during initialization

How to reproduce:

1 - Start SFC master
2 - Wait until everything is initialized. This might take a long time.
3 - Check logs, at some point the messages below will start to show up non-stop

at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1322)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1258)[97:com.google.guava:18.0.0]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.setUpSchema(NetconfDevice.java:460)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.access$1400(NetconfDevice.java:390)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup$1.onFailure(NetconfDevice.java:443)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at com.google.common.util.concurrent.Futures$6.run(Futures.java:1310)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:101)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:170)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:47)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1322)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1258)[97:com.google.guava:18.0.0]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.setUpSchema(NetconfDevice.java:460)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.access$1400(NetconfDevice.java:390)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup$1.onFailure(NetconfDevice.java:443)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at com.google.common.util.concurrent.Futures$6.run(Futures.java:1310)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:101)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:170)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:47)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1322)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1258)[97:com.google.guava:18.0.0]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.setUpSchema(NetconfDevice.java:460)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup.access$1400(NetconfDevice.java:390)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at org.opendaylight.netconf.sal.connect.netconf.NetconfDevice$RecursiveSchemaSetup$1.onFailure(NetconfDevice.java:443)[335:org.opendaylight.netconf.sal-netconf-connector:1.3.0.SNAPSHOT]
at com.google.common.util.concurrent.Futures$6.run(Futures.java:1310)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:101)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:170)[97:com.google.guava:18.0.0]
at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:47)[97:com.google.guava:18.0.0]