indeed, this looks the same On Thu, Aug 10, 2017 at 8:43 PM Jason A. Donenfeld wrote: > On Thu, Aug 10, 2017 at 4:29 PM, Jason A. Donenfeld > wrote: > > It seems like the problem you're facing is that B does not belong to > > I, because B belongs to an unrouted dummy0 interface. The solution > > would be to change the question of step 4 to instead ask if _any_ > > interface contains B, not just the returned interface I. While this is > > essentially what's done for IPv6, I'm not certain this is the correct > > behavior for IPv4. > > This looks like http://ix.io/z3d if you want to try it and report back. > > Jason >