++ 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=74e68f1a-2ec4-46ac-a6c0-78f947810cad ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1d:df:2c + echo 74e68f1a-2ec4-46ac-a6c0-78f947810cad + echo fa:16:3e:1d:df:2c