++ 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=ca948761-e52e-4f16-895e-06bce994e6c3 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:de:e6:45 + echo ca948761-e52e-4f16-895e-06bce994e6c3 + echo fa:16:3e:de:e6:45