libnl 3 with kernel < 2.6.38

[Thomas Graf]

On Wed, Mar 23, 2011 at 10:17:21AM +0100, Thierry Reding wrote:
> I use libnl in a project for link monitoring and recently upgraded to libnl
> 3. However it looks like libnl 3 does not properly work against kernels older
> than 2.6.38. Specifically, rtnl_link_change() returns NLE_INVAL with code
> that worked with libnl 2 on 2.6.37 (and libnl 3 on 2.6.38) but fails with
> libnl 3 on 2.6.37.
> 
> Am I doing something wrong or is this expected behaviour? I couldn't find any
> mention of such an incompatibility.

This is not expected behaviour.

Can you give me some additional details on what kind of link change
you do?