++ 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=e81cf2e7-3a7e-44b7-be0d-99e2575902cc ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ac:5f:ce + echo e81cf2e7-3a7e-44b7-be0d-99e2575902cc + echo fa:16:3e:ac:5f:ce