++ 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=88cf8a68-cc10-47f5-b230-eb5cd5c4b1fc ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6b:b2:b8 + echo 88cf8a68-cc10-47f5-b230-eb5cd5c4b1fc + echo fa:16:3e:6b:b2:b8