++ 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=e9d685cd-03d0-4fdd-8475-702ade955144 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:58:b8:40 + echo e9d685cd-03d0-4fdd-8475-702ade955144 + echo fa:16:3e:58:b8:40