On Tue, Oct 29, 2024 at 12:46:55PM +0000, Daniel P. Berrangé wrote: > A key difference that is probably relevant is that netbsd is > using an e1000 NIC in QEMU, while openbsd is using a virtio-net > NIC. At least when created by virt-manager. > > AFAIR, QEMU's magic checksum offload only happens for virtio-net, > so presumably our rules are incompatible with non-virtio-net NICs > in someway.
Yes, that's it! The GNU/Hurd and Haiku guests are also using e1000, since virtio drivers are not available there; moreover, if I switch a random Linux guest from virtio-net to e1000 I can reproduce the issue there as well. -- Andrea Bolognani / Red Hat / Virtualization
