Explanation: I started a virtual machine, its system is android (x86), if I ping other machines with the same ip range, I will succeed, but when I connect to Google, there is an error, then I ping '8.8 .8.8 ', it can't reach.
Environment:
Qemu : 2.12.0
Libvirt : 4.12
Host : ubutnu
VM-network : br0
