求助！ centos 下用 wondershaper 限速的时候报错： RTNETLINK answers: No such file or directory

rt，我在centos下用wondershaper限速，具体：
yum install wondershaper
wondershaper venet0 100 100

这个时候他报错：

RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: No such file or directory
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
RTNETLINK answers: No such file or directory
RTNETLINK answers: Invalid argument
We have an error talking to the kernel

完全没明白为什么会报错我的用法应该是没有问题的啊严格按照教程做的。。。