++ 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=2b2fe352-7ab6-4b5c-9931-87f490e17f3c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:f6:ac:e2 + echo 2b2fe352-7ab6-4b5c-9931-87f490e17f3c + echo fa:16:3e:f6:ac:e2