Hi,
At Cato Networks we are currently working on implementing LACP LAG (bonding device, mode 4) using the DPDK library. 
During our evaluation, we identified some shortcomings in the implementation — for example, the lack of support for short timeout and the absence of proper handling for partner key mismatches.
These gaps, combined with the lack of complaints or upstream patches addressing them, raise concerns about the maturity and stability of the library.
We would be grateful if you could clarify the following:
Your guidance would be greatly appreciated.