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

What is the impact of this issue to you?

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

~]# uname -r 
6.12.0-41.el10.x86_64
~]# rpm -q libvirt qemu-kvm
libvirt-10.10.0-2.el10.x86_64
qemu-kvm-9.1.0-8.el10.x86_64

~]# lscpu 
Architecture:             x86_64
  CPU op-mode(s):         32-bit, 64-bit
  Address sizes:          43 bits physical, 48 bits virtual
  Byte Order:             Little Endian
CPU(s):                   64
  On-line CPU(s) list:    0-63
Vendor ID:                AuthenticAMD
  BIOS Vendor ID:         AMD
  Model name:             AMD EPYC 7302 16-Core Processor
    BIOS Model name:      AMD EPYC 7302 16-Core Processor                  CPU @ 3.0GHz

How reproducible is this bug?:

Steps to reproduce

1. ~]# virsh domcapabilities > domcap.xml 

~]# virt-xml-validate domcap.xml 
Relax-NG validity error : Extra element features in interleave
domcap.xml:1402: element features: Relax-NG validity error : Element domainCapabilities failed to validate content
domcap.xml fails to validate

PLease refer to domcap xml is in the attachment. domcap.xml

Expected results

  Validate PASS

Actual results