Because of bind-to-mgmt, octavia now listens only on internal/admin URL until [1] got merged. To fix tempest jobs in the meanwhile, we should externaly set to use internal endpoint for interaction. [1] https://review.opendev.org/733408 Change-Id: Iecb8daff36c89aa54516cd1f35e376e38b7fe64d Needed-By: https://review.opendev.org/755576