On Wed, Mar 11, 2026 at 10:15:53AM +0100, Frans Schneider wrote: > Yes, installed a fresh 7.8 and did all updates (syspatch, pkg_add -u, > fw_update). No luck yet. No traffic from the guest on tap0. >
that's effectively still 7.8-stable (plus patches). you'd need to run sysupgrade -s to get latest daily snapshot. -ml > > Op 11-03-2026 om 12:57 a.m. schreef David Gwynne: > > 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 > >

