++ 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=8c6f0512-e610-41b6-a520-3d2956b9fcb0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ba:73:5c + echo 8c6f0512-e610-41b6-a520-3d2956b9fcb0 + echo fa:16:3e:ba:73:5c