kvm 網絡無法連通

1. 刪除虛擬設備

virsh net-destroy default
virsh net-undefine default
service libvirt-bin restart

2. 關閉虛擬機

virsh destroy xxxx

3. 恢復虛擬設備

find / -name "default.xml"
virsh net-define /usr/share/libvirt/networks/default.xml
virsh net-start default

4. 重啓虛擬機

virsh start xxxx

參考:
https://blog.csdn.net/csfreebird/article/details/8967653

https://blog.csdn.net/qq_21398167/article/details/47777113

https://blog.csdn.net/hzhsan/article/details/44098537

https://www.chenyudong.com/archives/libvirt-kvm-bridge-network.html