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Verified with libvirt-daemon-7.4.0-1.el9.x86_64.

Test steps:
1.# for i in {1..100}; do systemctl restart libvirtd; virsh list ; systemctl restart libvirtd ; sleep 30; done

2.Check the coredump info in syslog after step 1:
# cat /var/log/messages | grep -i coredump
no output