Centos 7.2 安装 kvm 虚拟化出错，创建虚拟机提示 ImportError: /lib64/libhogweed.so.2: undefined symbol: __gmpn_cnd_sub_n

[lfautumn]

SSH 输出如下

[root@rd450 ~]# virt-install -n rd450-windows2016 -r 2048 --disk /home/kvm-bak/windows2016-160715-1616.img,format=qcow2,size=50 --network bridge=br0 --os-type=windows --cdrom /home/iso/14393.0.160715-1616.RS1_RELEASE_SERVER_EVAL_X64FRE_ZH-CN.ISO --vnc --vncport=5910 --vnclisten=0.0.0.0
Traceback (most recent call last):
File "/usr/share/virt-manager/virt-install", line 27, in <module>
import libvirt
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 28, in <module>
raise lib_e
ImportError: /lib64/libhogweed.so.2: undefined symbol: __gmpn_cnd_sub_n
strings /lib64/libhogweed.so.2 | grep cnd
__gmpn_cnd_sub_n
__gmpn_cnd_add_n
_nettle_cnd_copy

有没有大神知道如何解决 谢谢啦