What were you trying to do that didn't work?

As subject

What is the impact of this issue to you?

Get a warning from qemu.log

Please provide the package NVR for which the bug is seen:

libvirt-10.9.0-1.el9.x86_64
qemu-kvm-9.1.0-1.el9.x86_64

How reproducible is this bug?:

100%

Steps to reproduce

1. Create a running domain
2. Create the external snapshot for the domain:

➜  ~ virsh snapshot-create-as rhel10 s1 --memspec /var/lib/libvirt/images/rhel10_s1_mem
Domain snapshot s1 created

The check the /var/log/libvirt/qemu/<domain name>.log, get a warning:

warning: fd: migration to a file is deprecated. Use file: instead. 

      3. Revert the snapshot and check the qemu log again:

➜  ~ virsh snapshot-revert rhel10 s1                                                   
Domain snapshot s1 reverted 

The warning appears again

Expected results

No such warning

Actual results

As above