Overcloud deploy fails

Issue

• Overcloud deploy fails
• journalctl -u os-collect-config from the overcloud-compute node.

Feb 23 19:11:31 overcloud-compute-1.localdomain os-collect-config[11162]: [2016-02-23 14:11:31,497] (heat-config) [INFO] Trying to ping 172.16.0.4 for local network 172.16.0.0/24...FAILURE
Feb 23 19:11:31 overcloud-compute-1.localdomain os-collect-config[11162]: [2016-02-23 14:11:31,497] (heat-config) [DEBUG] 172.16.0.4 is not pingable. Local Network: 172.16.0.0/24
Feb 23 19:11:31 overcloud-compute-1.localdomain os-collect-config[11162]: [2016-02-23 14:11:31,497] (heat-config) [ERROR] Error running /var/lib/heat-config/heat-config-script/512d4e53-ade4-4442-9bb6-d8994ec2ab85. [1]

• heat resource-list overcloud | grep -i fail

| ComputeAllNodesValidationDeployment           | 240d58a6-9dff-4660-b448-99c247da482d          | OS::Heat::StructuredDeployments                   | CREATE_FAILED      | 2016-02-23T18:47:17Z |                                               |
| ComputeNodesPostDeployment                    | ae291a87-7690-4d33-8816-7c56abd79a43          | OS::TripleO::ComputePostDeployment                | CREATE_FAILED      | 2016-02-23T18:47:17Z |                                               |
| ControllerNodesPostDeployment                 | 787df13a-3415-4e7a-aa93-f799244d2e59          | OS::TripleO::ControllerPostDeployment             | CREATE_FAILED      | 2016-02-23T18:47:17Z |                                               |
| ComputePuppetDeployment                       | ee0ca289-c224-4fac-858e-6e604488167c          | OS::Heat::StructuredDeployments                   | CREATE_IN_PROGRESS | 2016-02-23T19:01:44Z | ComputeNodesPostDeployment                    |
| 0                                             | 678bf535-8403-4c7a-b14e-35c4bfb2ea39          | OS::Heat::StructuredDeployment                    | CREATE_FAILED      | 2016-02-23T19:01:45Z | ComputeAllNodesValidationDeployment           |
| 0                                             | 7c2471c9-d9aa-4196-ad62-9104a54d5c7c          | OS::Heat::StructuredDeployment                    | CREATE_IN_PROGRESS | 2016-02-23T19:01:45Z | ComputePuppetDeployment                       |
| 1                                             | c72cfaa3-2b44-438a-8799-b1ac69da1ae6          | OS::Heat::StructuredDeployment                    | CREATE_IN_PROGRESS | 2016-02-23T19:01:45Z | ComputePuppetDeployment                       |
| 1                                             | fe944019-c8f5-4ba1-a592-dd36d35000d4          | OS::Heat::StructuredDeployment                    | CREATE_FAILED      | 2016-02-23T19:01:45Z | ComputeAllNodesValidationDeployment           |