CentOS7--删除virbr0

https://blog.csdn.net/aienjoy/article/details/78994128

1.Down:

ifconfig virbr0 down

2.Delete:

brctl delbr virbr0

3.virbr0是由libvirtd服务创建，libvirtd在guest里没啥卵用，所以干掉它，不然下次启动又创建了:

systemctl disable libvirtd