kvm虚拟机运行时显示“启动域时出错”

启动虚拟机时提示“启动域时出错: Requested operation is not valid: network 'default' is not active” 查看网络名称

 sudo virsh net-list

开启网络，重启虚拟机

sudo virsh net-start default

设置自动连接

sudo virsh net-autostart defaultda

关闭网络

sudo virsh net-destroy default