Module name is not unique. Found two conflicting factories with same name 'netty-global-event-executor'

Caused by: java.lang.IllegalArgumentException: Module name is not unique. Found two conflicting factories with same name 'netty-global-event-executor': 'org.opendaylight.controller.config.yang.netty.eventexecutor.GlobalEventExecutorModuleFactory@16d5fb0a' 'org.opendaylight.controller.config.yang.netty.eventexecutor.GlobalEventExecutorModuleFactory@3771d98b'
    at org.opendaylight.controller.config.manager.impl.osgi.BundleContextBackedModuleFactoriesResolver.getAllFactories(BundleContextBackedModuleFactoriesResolver.java:68) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl.beginConfigSafe(ConfigRegistryImpl.java:213) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl.beginConfig(ConfigRegistryImpl.java:198) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.BlankTransactionServiceTracker.lambda$new$0(BlankTransactionServiceTracker.java:40) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.BlankTransactionServiceTracker.blankTransactionSync(BlankTransactionServiceTracker.java:75) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.ModuleFactoryBundleTracker.removedBundle(ModuleFactoryBundleTracker.java:69) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.ModuleFactoryBundleTracker.removedBundle(ModuleFactoryBundleTracker.java:32) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.ExtensibleBundleTracker.removedBundle(ExtensibleBundleTracker.java:103) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.ExtensibleBundleTracker.removedBundle(ExtensibleBundleTracker.java:51) ~[?:?]
    at org.osgi.util.tracker.BundleTracker$Tracked.customizerRemoved(BundleTracker.java:495) ~[?:?]
    at org.osgi.util.tracker.BundleTracker$Tracked.customizerRemoved(BundleTracker.java:415) ~[?:?]
    at org.osgi.util.tracker.AbstractTracked.untrack(AbstractTracked.java:341) ~[?:?]
    at org.osgi.util.tracker.BundleTracker.close(BundleTracker.java:192) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.util.OsgiRegistrationUtil.lambda$aggregate$0(OsgiRegistrationUtil.java:66) ~[?:?]
    at org.opendaylight.controller.config.manager.impl.osgi.ConfigManagerActivator.stop(ConfigManagerActivator.java:148) ~[?:?]
    at org.eclipse.osgi.internal.framework.BundleContextImpl$4.run(BundleContextImpl.java:830) ~[?:?]
    at org.eclipse.osgi.internal.framework.BundleContextImpl$4.run(BundleContextImpl.java:1) ~[?:?]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
    at org.eclipse.osgi.internal.framework.BundleContextImpl.stop(BundleContextImpl.java:823) ~[?:?]
    ... 13 more