++ 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=e80ebba2-5494-4281-b713-a5b629d85840 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:9b:7f:a2 + echo e80ebba2-5494-4281-b713-a5b629d85840 + echo fa:16:3e:9b:7f:a2