[root@localhost ~]# cat sr.xml 
<pool type='rbd'>
  <name>ceph</name>
  <source>
    <name>rbd</name>
    <host name='10.11.4.52' port='6789'/>
  </source>
</pool>
[root@localhost ~]# xe sr-create type=libvirt name-label=ceph device-config:xml-filename=sr.xml
Error code: libvirt
Error parameters: libvirt: VIR_ERR_65: VIR_FROM_30: Invalid secret: virSecretFree