title: SSHOperator fails to connect to remote host
body: <pre><code>ssh_hook_france=SSHHook(remote_host=&quot;10.33.21.38&quot;,username=&quot;emedk&quot;,password=&quot;116322ken&quot;,port=2601)
  ssh_task_france=SSHOperator(
      ssh_hook=ssh_hook_france,
      task_id=&quot;connect_to_receiver_from_sender&quot;,
      command=&quot;./rmdt_tester -s -S 4G germany.west.top:2601&quot;,
     conn_timeout=50
  )
  ssh_hook_germany=SSHHook(remote_host=&quot;10.33.21.40&quot;,username=&quot;emedk&quot;,password=&quot;116322keny&quot;,port=2601)
  ssh_task_germany=SSHOperator(
      ssh_hook=ssh_hook_germany,
      
      task_id=&quot;connect_to_sender_from_receiver&quot;,
     
      command=&quot;rmdt_tester -l :2601&quot;,
      conn_timeout=50
    
  )
  </code></pre>
  <p>Here is two sshhooks and two ssh operators which is failed during the performing,the following error i see in the logs:
  Failed to connect. Sleeping before retry attempt 1
  Failed to connect. Sleeping before retry attempt 2</p>