++ 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=36a96935-62bc-4eaf-9ecc-2d257c0e8b66 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:78:e0:a7 + echo 36a96935-62bc-4eaf-9ecc-2d257c0e8b66 + echo fa:16:3e:78:e0:a7