2019-04-08T18:08:53,300 | WARN  | sshd-SshClient[39ced4d2]-nio2-thread-4 | AsyncSshHandler                  | 401 - org.opendaylight.netconf.netty-util - 1.7.0.SNAPSHOT | Unable to setup SSH connection on channel: [id: 0x9b505777]
org.apache.sshd.common.SshException: sendKexInit() no resolved signatures available
	at org.apache.sshd.client.session.ClientSessionImpl.handleDisconnect(ClientSessionImpl.java:132) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSession.handleDisconnect(AbstractSession.java:761) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSession.doHandleMessage(AbstractSession.java:585) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSession.handleMessage(AbstractSession.java:555) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSession.decode(AbstractSession.java:1527) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:516) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:63) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:339) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:318) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:315) ~[141:org.apache.sshd.core:2.0.0]
	at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$completed$0(Nio2CompletionHandler.java:38) ~[141:org.apache.sshd.core:2.0.0]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
	at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37) [141:org.apache.sshd.core:2.0.0]
	at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) [?:?]
	at sun.nio.ch.Invoker$2.run(Invoker.java:218) [?:?]
	at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]