torvalds/linux@e269d79c7d broke virtio_net
TCP & UDP GRO causing GRO writes to return EINVAL. The bug was then
resolved later in
torvalds/linux@89add40066. The offending
commit was pulled into various LTS releases.
Updates tailscale/tailscale#13041
Signed-off-by: Jordan Whited <jordan@tailscale.com>
External implementers of tun.Device may support GSO, and may also be
platform-agnostic, e.g. gVisor.
Signed-off-by: Jordan Whited <jordan@tailscale.com>