<shmem name='shmem1'> <model type='ivshmem-doorbell'/> <server path='/var/lib/libvirt/shmem-shmem1-sock'/> <msi ioeventfd='on'/> <alias name='shmem1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </shmem>