Prerequisite step for ansible for node2/3 even though ssh check succeeds in previous step

[pploegaert]

Regularly occurs on this environment ...

Jenkins output: http://10.100.199.200:8080/job/Setup_OVS_environment/1311/console
Env: 10.100.199.181

15:02:33 PLAY [cluster] *****************************************************************
15:02:33 
15:02:33 TASK [prerequisite_ansible : Wait for ssh to come up] **************************
15:02:33 Wednesday 19 July 2017  15:02:33 +0200 (0:00:00.023)       0:00:00.023 ******** 
15:02:34 ok: [ctrl02 -> localhost]
15:02:34 ok: [ctrl01 -> localhost]
15:02:34 ok: [ctrl03 -> localhost]
15:02:34 
15:02:34 TASK [prerequisite_ansible : Install required packages for Ansible using raw (Cannot use modules because dependencies are not met)] ***
15:02:34 Wednesday 19 July 2017  15:02:34 +0200 (0:00:00.553)       0:00:00.576 ******** 
15:02:34 fatal: [ctrl02]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: mux_client_hello_exchange: write packet: Broken pipe\r\n", "unreachable": true}
15:02:34 fatal: [ctrl03]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: mux_client_hello_exchange: write packet: Broken pipe\r\n", "unreachable": true}
15:02:34 changed: [ctrl01]