On Tue, Nov 24, 2020 at 01:43:54PM -0700, David Ahern wrote:
> On 11/23/20 5:23 PM, Stephen Suryaputra wrote:
> > Hi,
> >
> > I'm running into a problem with lladdr pinging all-host mcast all nodes
> > addr. The ping intially works but after cycling the interface that
> > receives the ping, the echo request packet causes a neigh solicitation
> > being sent on a different interface.
> >
> > To repro, I included the attached namespace scripts. This is the
> > topology and an output of my test.
>
> Can you run your test script on 4.14-4.17 kernel? I am wondering if the
> changes in 4.19-next changed this behavior.
>
We found the issue on 4.14.200-based kernel.