[03/21/18 13:54:40] Launch failed - cleaning up connection
[03/21/18 13:54:40] [SSH] Connection closed.
Launcher failed to bring the node online. Retrying ...
[03/21/18 13:54:42] [SSH] Opening SSH connection to 10.8.245.232:22.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 5 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 4 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 3 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 2 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 1 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)".
java.io.IOException: There was a problem while connecting to 10.8.245.232:22
	at com.trilead.ssh2.Connection.connect(Connection.java:834)
	at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1324)
	at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:831)
	at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:820)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.NoRouteToHostException: No route to host (Host unreachable)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at com.trilead.ssh2.transport.TransportManager.establishConnection(TransportManager.java:367)
	at com.trilead.ssh2.transport.TransportManager.initialize(TransportManager.java:480)
	at com.trilead.ssh2.Connection.connect(Connection.java:774)
	... 7 more
[03/21/18 13:56:16] Launch failed - cleaning up connection
[03/21/18 13:56:16] [SSH] Connection closed.
Launcher failed to bring the node online. Retrying ...
[03/21/18 13:56:18] [SSH] Opening SSH connection to 10.8.245.232:22.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 5 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 4 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 3 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 2 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)", retrying in 15 seconds.  There are 1 more retries left.
No route to host (Host unreachable)
SSH Connection failed with IOException: "No route to host (Host unreachable)".
java.io.IOException: There was a problem while connecting to 10.8.245.232:22
	at com.trilead.ssh2.Connection.connect(Connection.java:834)
	at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1324)
	at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:831)
	at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:820)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.NoRouteToHostException: No route to host (Host unreachable)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at com.trilead.ssh2.transport.TransportManager.establishConnection(TransportManager.java:367)
	at com.trilead.ssh2.transport.TransportManager.initialize(TransportManager.java:480)
	at com.trilead.ssh2.Connection.connect(Connection.java:774)
	... 7 more
[03/21/18 13:57:49] Launch failed - cleaning up connection
[03/21/18 13:57:49] [SSH] Connection closed.
Launcher failed to bring the node online. Retrying ...
Launcher failed to bring the node online within timeout.