I can’t access the internet with QEMU

Everything was fine before, but I haven’t used it for a month and suddenly it stopped connecting to the internet. I deleted and recreated the network, removed and reinstalled the package, but it didn’t help much. I tried disabling firewalld. What can I do to fix this issue?

Check if the VM uses a network bridge.

Without any output, it is hard to say

I have had similar issue. In my case I needed to set firewall_backend = "iptables" in/etc/libvirt/network.conf.

It’s a strange situation, but as you said, it was fixed after switching the firewall backend from nftables to iptables. I guess it’s not quite ready for use yet.

I suspect it has something to do with Docker rules - if you’re running Docker, like I am.

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