[CORD-1608]
Fix ansible timeout issues

Change-Id: I8dd9d1fb1fe8c6275a468712ad8fe7e25db05d95
diff --git a/ansible.cfg b/ansible.cfg
index c86b754..073b1f5 100644
--- a/ansible.cfg
+++ b/ansible.cfg
@@ -4,3 +4,6 @@
 forks=20
 timeout=30
 
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=15s
+