++ 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=d021c7dd-4bf9-47c4-8c7a-4893cf3c8877 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e0:bb:fc + echo d021c7dd-4bf9-47c4-8c7a-4893cf3c8877 + echo fa:16:3e:e0:bb:fc