Is the hypervisor a stable openbsd 7.8 box? There's a "feature mismatch" in the virtio net code that recent Linux kernels trip over that's fixed in current. If you upgrade the host to a snapshot it should work.
On Tue, 10 Mar 2026, 20:51 Markus Hennecke, <markus-hennecke@markus-hennecke.de> wrote:
Am 3/10/2026 um 10:12 AM schrieb Frans Schneider:
> I feel rather stupid, but it turns out to be a misconfigurated switch
> sitting between the dhcp server and the network the laptop. I was looking
> for traffic on the dhcpd's subnetwork with wireshark and saw nothing. It
> now
> works as expected.
>
> BTW: with Alpine Linux 3.23.3 as guest I can't get networking working.
> OpenBSD works fine.
Since I upgraded a Arch Linux VM to the latest release with kernel 6.18
I see the same thing. I can see ethernet packets with ARP requests on
the tap interface, but the source MAC is set to all zeros. The VM can't
talk. Alpine 3.23 was also released with a 6.18 kernel.
Regards
Markus
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