Support for several HA RabbitMQ servers.
Support for several HA RabbitMQ servers.

Change-Id: I37f73867ff469133c39bf5f1a7fd48f48b0704d4

openstack/networking-mlnx,stackforge/networking-mlnx,openstack/networking-mlnx,stackforge/networking-mlnx,moshele/networking-mlnx-master,moshele/networking-mlnx