Track: qemu and libvirt might out of sync

[yb01]

the below virsh cmd tries to remove the memory device, but failed with no match found.

    <memballoon model='virtio'>
      <alias name='balloon0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </memballoon>
    **<memory model='dimm'>
      <target>
        <size unit='KiB'>524288</size>
        <node>0</node>
      </target>
      <alias name='dimm0'/>
      <address type='dimm' slot='0' base='0x140000000'/>
    </memory>
  </devices>**
  <seclabel type='dynamic' model='dac' relabel='yes'>
    <label>+1000:+101</label>
    <imagelabel>+1000:+101</imagelabel>
  </seclabel>
  <qemu:commandline>
    <qemu:env name='VIRTLET_EMULATOR' value='/usr/local/bin/qemu-system-x86_64'/>
    <qemu:env name='VIRTLET_NET_KEY' value='eeecdfd4-b81c-4a7b-abe9-e78cc0228f40'/>
    <qemu:env name='VIRTLET_CONTAINER_ID' value='f31560c5-ca21-588f-63ea-e2ea9d28d8bc'/>
    <qemu:env name='VIRTLET_CONTAINER_LOG_PATH' value='/var/log/pods/system_default_vmdefault_eeecdfd4-b81c-4a7b-abe9-e78cc0228f40/vm/0.log'/>
    <qemu:env name='CGROUP_PARENT' value='/kubepods/podeeecdfd4-b81c-4a7b-abe9-e78cc0228f40/f31560c5-ca21-588f-63ea-e2ea9d28d8bc'/>
  </qemu:commandline>
</domain>

root@ip-172-31-10-115:/# 
**root@ip-172-31-10-115:/# virsh detach-device 1 mem.xml --config --live
error: Failed to detach device from mem.xml
error: device not found: matching memory device was not found**

root@ip-172-31-10-115:/# cat mem.xml 
**<memory model='dimm'>
   <target>
     <size unit='KiB'>524288</size>
     <node>0</node>
   </target>
</memory>**
root@ip-172-31-10-115:/#