++ 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=f16c570d-2970-44f2-a044-c0a19c651059 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6d:e9:9c + echo f16c570d-2970-44f2-a044-c0a19c651059 + echo fa:16:3e:6d:e9:9c