++ 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=8eacc6ec-b6a5-4b59-8573-ee4f1348b930 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:db:43:09 + echo 8eacc6ec-b6a5-4b59-8573-ee4f1348b930 + echo fa:16:3e:db:43:09