did all the control VMs boot up successful?
it fails during Loadbalancer setup:
2017-04-17 08:53:29,594 p=366 u=jarvis | skipping: no hosts matched
2017-04-17 08:53:29,594 p=366 u=jarvis | PLAY [lb] *********************************************************************
2017-04-17 08:53:29,594 p=366 u=jarvis | GATHERING FACTS ***************************************************************
2017-04-17 08:53:29,632 p=366 u=jarvis | FATAL: no hosts matched or all