Carlos Goncalves 503e3949f8 Fix LB failover when in ERROR ...

Load balancers in ERROR provisioning status could not be failed over.

One possible scenario where LBs go into ERROR is when services are
started before compute nodes are up on a cluster reboot:

- Octavia services are started
- Health Manager does not receive heartbeat and triggers failover
- Failover fails due to lack of availabble compute nodes to spawn
  amphora VMs

Story: 2005078
Task: 29657

Change-Id: Ic4b4516cd6b2a254ea32939668c906486066da42

2019-02-22 23:59:14 +00:00

109 B

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