++ 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=39d6daf7-2d16-488f-bc3c-819c03525226 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:91:2e:da + echo 39d6daf7-2d16-488f-bc3c-819c03525226 + echo fa:16:3e:91:2e:da