++ 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=c677a093-442c-4eb0-847b-14b97fd933b1 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:de:81:43 + echo c677a093-442c-4eb0-847b-14b97fd933b1 + echo fa:16:3e:de:81:43