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, < [email protected]> 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 > >
