Description of problem:
Hit error when shutdown 100 VMs and run `virsh domstats` concurrently,
"error: internal error: End of file from qemu monitor
error: Unable to read from monitor: Connection reset by peer".

Version-Release number of selected component (if applicable):
libvirt-6.6.0-6.module+el8.3.0+8125+aefcf088.x86_64
qemu-kvm-5.1.0-9.module+el8.3.0+8182+ac9ced32.x86_64
kernel: 4.18.0-234.el8.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Start 100 VMs
2. Run domstats.sh to get all domain stats on one terminal
# cat domstats.sh
#!/bin/sh
for i in {1..50}
do 
virsh domstats 2>&1 >>stats.log
sleep 2 
done

#sh domstats.sh

3. On another terminal, shutdown 100 VMs concurrently
# for i in $(virsh list --name); do virsh shutdown $i &  done

4. Get error in libvirtd.log and on the terminal which is running domstats.sh
-------------------------------------------------------------------
# sh domstats.sh
error: internal error: End of file from qemu monitor
error: Unable to read from monitor: Connection reset by peer
error: Unable to read from monitor: Connection reset by peer
error: Unable to read from monitor: Connection reset by peer
--------------------------------------------------------------------

Actual results:
In Step4, Get error in libvirtd.log

Expected results:
In Step4, No error.

Additional info:
- libvirtd.log
- qemu guest log

- In step2 run `python3 domstats.py`, hit same error.
# cat domstats.py 
import libvirt
import time
conn = libvirt.open("qemu:///system")
for x in range(1,100):
   print(conn.getAllDomainStats())
   time.sleep(2)