++ 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=077b57ad-86e2-4473-ade7-ab9f87f72526 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:53:2a:31 + echo 077b57ad-86e2-4473-ade7-ab9f87f72526 + echo fa:16:3e:53:2a:31