On Wed, Jul 14, 2021 at 1:24 AM luwei (O) <luwei32@xxxxxxxxxx> wrote: > > Hi Andrii and toke, > > I have sovled this issue. The reason is that my iproute2 does not > support libbpf, once I compile iproute2 with libbpf, it works. Thanks > for reply! How did you figure that out? I thought iproute folks should have included that info as part of -V output. Since this exact concern was hotly debated in the past. Non-vendoring clearly causes this annoying user experience.