++ 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=f5d1fd4c-9cbc-44d3-909b-6e666c2f9d94 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:fb:49:51 + echo f5d1fd4c-9cbc-44d3-909b-6e666c2f9d94 + echo fa:16:3e:fb:49:51