++ 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=e2ebe2d2-804e-427b-88dd-e9a43f4d6e83 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:f9:7c:b9 + echo e2ebe2d2-804e-427b-88dd-e9a43f4d6e83 + echo fa:16:3e:f9:7c:b9