报错信息如下，截图如上；
[ 0.0] Examining the guest ...
virt-sysprep: error: libguestfs error: could not create appliance through
libvirt.
Try running qemu directly without libvirt using this environment variable:
export LIBGUESTFS_BACKEND=direct
Original error from libvirt: \u4e0d\u652f\u6301\u7684\u914d\u7f6e\uff1ashared access for disk
'sdb' requires use of supported storage format [code=67 int1=-1]
If reporting bugs, run virt-sysprep with debugging enabled and include the
complete output:
virt-sysprep -v -x [...]
执行下面命令更新包即可
# yum upgrade libguestfs-tools
# virt-sysprep -d 虚拟机名
