++ 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=5c7cffa4-144d-466a-b583-6092ad4420b8 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1e:91:6c + echo 5c7cffa4-144d-466a-b583-6092ad4420b8 + echo fa:16:3e:1e:91:6c