++ 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=ef54ade7-64ea-4759-a596-5012a7ae71eb ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:eb:c7:8d + echo ef54ade7-64ea-4759-a596-5012a7ae71eb + echo fa:16:3e:eb:c7:8d