minikube无法启动kubernetes群集

我是Kubernetes ,并试图用minikube来build立一个集群。 尝试使用minikube启动群集时,会失败,并显示以下错误消息

 $ minikube start --vm-driver=kvm Starting local Kubernetes v1.8.0 cluster... Starting VM... Downloading Minikube ISO 140.01 MB / 140.01 MB [============================================] 100.00% 0s E1107 12:30:30.581841 13820 start.go:150] Error starting host: Error creating host: Error with pre-create check: "Unable to connect to kvm driver, did you add yourself to the libvirtd group?". 

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我已经将用户添加到libvirt组。

 $ id uid=1010(zaman) gid=1011(zaman) groups=1011(zaman),498(libvirt) 

操作系统信息如下:

  $ cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.2 (Maipo) $ minikube version minikube version: v0.23.0 

请build议如何解决问题。