++ 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=95f0c016-ac03-4a94-8be6-da155a1873e6 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:42:aa:87 + echo 95f0c016-ac03-4a94-8be6-da155a1873e6 + echo fa:16:3e:42:aa:87