opendaylight-user@root>feature:install features-of-config
Error executing command: Error restarting bundles:
	Exception in org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringActivator.start() of bundle org.opendaylight.netconf.monitoring.
opendaylight-user@root>

2018-04-05 08:42:50,674 | ERROR | nsole user karaf | ShellUtil                        | 48 - org.apache.karaf.shell.core - 4.1.3 | Exception caught while executing command
org.apache.karaf.features.internal.util.MultiException: Error restarting bundles:
	Exception in org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringActivator.start() of bundle org.opendaylight.netconf.monitoring.
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:896) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1248) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$1(FeaturesServiceImpl.java:1147) ~[?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]
	Suppressed: org.osgi.framework.BundleException: Exception in org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringActivator.start() of bundle org.opendaylight.netconf.monitoring.
		at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:795) ~[?:?]
		at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:724) ~[?:?]
		at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:932) ~[?:?]
		at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309) ~[?:?]
		at org.eclipse.osgi.container.Module.doStart(Module.java:581) ~[?:?]
		at org.eclipse.osgi.container.Module.start(Module.java:449) ~[?:?]
		at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:383) ~[?:?]
		at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:402) ~[?:?]
		at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1361) ~[?:?]
		at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:888) ~[?:?]
		at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1248) ~[?:?]
		at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$1(FeaturesServiceImpl.java:1147) ~[?:?]
		at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
		at java.lang.Thread.run(Thread.java:748) [?:?]
	Caused by: java.lang.IllegalStateException: Monitoring service was already added
		at com.google.common.base.Preconditions.checkState(Preconditions.java:501) ~[?:?]
		at org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringServiceTracker.addingService(NetconfMonitoringServiceTracker.java:37) ~[?:?]
		at org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringServiceTracker.addingService(NetconfMonitoringServiceTracker.java:23) ~[?:?]
		at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941) ~[?:?]
		at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870) ~[?:?]
		at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) ~[?:?]
		at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183) ~[?:?]
		at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:318) ~[?:?]
		at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:261) ~[?:?]
		at org.opendaylight.netconf.monitoring.osgi.NetconfMonitoringActivator.start(NetconfMonitoringActivator.java:31) ~[?:?]
		at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:774) ~[?:?]
		at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1) ~[?:?]
		at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
		at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:767) ~[?:?]
		... 15 more