Seen once so far, in Netconf all 3node job. Karaf.log lines are from [0].

This is very similar to AAA-132 but different config subsystem capability is taking too long this time:
2017-06-11 12:47:31,609 | WARN | saction-28-30'}} | DeadlockMonitor | 103 - org.opendaylight.controller.config-manager - 0.6.1.Carbon | ModuleIdentifier

{factoryName='binding-broker-impl', instanceName='binding-broker-impl'}

did not finish after 74969 ms

Leading to clustering failure:
2017-06-11 12:47:35,960 | ERROR | Event Dispatcher | AbstractDataStore | 180 - org.opendaylight.controller.sal-distributed-datastore - 1.5.1.Carbon | Shard leaders failed to settle in 90 seconds, giving up

[0] https://logs.opendaylight.org/releng/jenkins092/netconf-csit-3node-clustering-all-carbon/308/odl1_karaf.log.gz