++ 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=85665073-8425-4f60-a643-cc0b7f2fcd49 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:dc:10:cd + echo 85665073-8425-4f60-a643-cc0b7f2fcd49 + echo fa:16:3e:dc:10:cd