++ 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=276d46a6-7c6f-4e41-ac81-3eecc55cad12 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ef:56:05 + echo 276d46a6-7c6f-4e41-ac81-3eecc55cad12 + echo fa:16:3e:ef:56:05