++ 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=e21063ac-c84b-4968-b9f1-d88e21ff4c5e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:50:df:3b + echo e21063ac-c84b-4968-b9f1-d88e21ff4c5e + echo fa:16:3e:50:df:3b