1.关闭virbr0网卡
brctl show #查看bridge 信息ifconfig virbr0 down #关闭virbr0网卡brctl delbr virbr0 #删除virbr0网卡systemctl status libvirtd.service #查看服务状态systemctl stop libvirtd.service #停止服务systemctl disable libvirtd.service #因为虚拟网卡是libvirtd服务创建的,而该服务在Linux中没有太大用处
