On Mon, 1 Oct 2018 17:28:26 -0700 David Ahern <dsah...@kernel.org> wrote:
> How to resolve the problem of not breaking old userspace yet be able to > move forward with new features such as kernel side filtering which are > crucial for efficient operation at high scale? What about forward compatibility? How would this work when running new iproute2 command on older kernels? I expect the new command would set the "I am smart flag" and the older kernel would ignore it. The if the header for the message type had changed, the dump would be broken.
