The only job passes, and [0] the symptoms are different from CONTROLLER-1613.
Probably some other project is interfering.

Connection to testtool is closed, this is seen in karaf.log:
2017-04-10 02:07:08,435 | WARN | monPool-worker-0 | NetconfDeviceCommunicator | 284 - org.opendaylight.netconf.sal-netconf-connector - 1.4.4.SNAPSHOT | RemoteDevice

: Session is disconnected, failing RPC request <rpc message-id="m-2874" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
<get-schema xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-monitoring">
<identifier>ietf-yang-types</identifier>
<version>2013-07-15</version>
<format>yang</format>
</get-schema>
</rpc>

The request itself look OK, investigation is under way.

[0] https://jenkins.opendaylight.org/releng/view/netconf/job/netconf-csit-3node-clustering-all-boron