i downgrade the libvert version to 1.2.17 is ok!
[root@OS-N-Compute-1 ~]# virsh version Compiled against library: libvirt 1.2.17 Using library: libvirt 1.2.17 Using API: QEMU 1.2.17 Running hypervisor: QEMU 2.6.0
i downgrade the libvert version to 1.2.17 is ok!
[root@OS- N-Compute- 1 ~]# virsh version
Compiled against library: libvirt 1.2.17
Using library: libvirt 1.2.17
Using API: QEMU 1.2.17
Running hypervisor: QEMU 2.6.0