On Mon, 28 Jul 2025 08:19:07 -0700 Jakub Kicinski <[email protected]> wrote:
> On Sun, 27 Jul 2025 20:01:26 -0700 Stephen Hemminger wrote: > > On Wed, 23 Jul 2025 15:16:22 -0700 > > Jakub Kicinski <[email protected]> wrote: > > > > > > > Actually, we had used the common bonding driver 9 years ago. But it's > > > > replaced by this kernel/netvsc based "transparent" bonding mode. See > > > > the patches listed below. > > > > > > > > The user mode bonding scripts were unstable, and difficult to deliver > > > > & update for various distros. So Stephen developed the new "transparent" > > > > bonding mode, which greatly improves the situation. > > > > > > I specifically highlighted systemd-networkd as the change in the user > > > space landscape. > > > > Haiyang tried valiantly but getting every distro to do the right thing > > with VF's bonding and hot plug was impossible to support. > > I understand, but I also don't want it to be an upstream Linux problem. > > Again, no other cloud provider seems to have this issue, AFAIU. The problem is that other cloud providers don't expose the VF, the hide it in HW firmware. The userspace world is a mess, with systemd, netplan, cloud init, and the SuSe stuff. And custom appliances that assume that there is a default eth0 device on boot. Yes, there were users that expect to see eth0 all the time.
