KVM安装报错

月中井

root@ubuntu:/etc/libvirt/qemu/networks# virt-install --name test --hvm --ram 1024 --vcpus 1 --disk path=/images/test/disk.img,size=20 --network network:default  --accelerate  --vnc --vncport=5911 --cdrom /images/iso/windows_server_2008_r2.iso

Starting install...
ERROR    internal error: process exited while connecting to monitor: kvm version not supported
failed to initialize KVM: Invalid argument

Domain installation does not appear to have been successful.
If it was, you can restart your domain by running:
  virsh --connect qemu:///system start test
otherwise, please restart your installation.