++ 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=0de8394a-c64b-42d8-912e-57055ad76192 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:68:a8:6a + echo 0de8394a-c64b-42d8-912e-57055ad76192 + echo fa:16:3e:68:a8:6a