++ 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=4e4238d3-ddec-4c43-9842-8b377916aecb ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:28:ba:a4 + echo 4e4238d3-ddec-4c43-9842-8b377916aecb + echo fa:16:3e:28:ba:a4