++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=e128950e-071f-4d9d-8bee-c5696c594859 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:87:fc:41 + echo e128950e-071f-4d9d-8bee-c5696c594859 + echo fa:16:3e:87:fc:41