++ 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=ed227544-12ad-4c82-9853-b2da47076344 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ed:fb:25 + echo ed227544-12ad-4c82-9853-b2da47076344 + echo fa:16:3e:ed:fb:25