Use ssh pipelining
diff --git a/xos/openstack_observer/ansible.py b/xos/openstack_observer/ansible.py
old mode 100644
new mode 100755
index 5b6bd1d..b53dd98
--- a/xos/openstack_observer/ansible.py
+++ b/xos/openstack_observer/ansible.py
@@ -155,6 +155,7 @@
     f.write("[ssh_connection]\n")
     f.write('ssh_args = -o "%s" -o StrictHostKeyChecking=no\n' % proxy_command)
     f.write('scp_if_ssh = True\n')
+    f.write('pipelining = True\n')
     f.close()
 
     f = open(hosts_pathname, "w")