++ 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=2137302a-4617-462d-a6a5-dc583f41c05f ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:dc:18:bb + echo 2137302a-4617-462d-a6a5-dc583f41c05f + echo fa:16:3e:dc:18:bb