++ 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=99694f58-ebd7-4fe9-8b2c-398bc2cf5597 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1c:cb:43 + echo 99694f58-ebd7-4fe9-8b2c-398bc2cf5597 + echo fa:16:3e:1c:cb:43