++ 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=2f76f595-429a-499c-8aa0-cda4ca8e5890 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:23:a5:39 + echo 2f76f595-429a-499c-8aa0-cda4ca8e5890 + echo fa:16:3e:23:a5:39