The new release can be downloaded here:
http://dpdk.org/browse/dpdk/tag/?id=v1.5.1r1
Since 1.5.0 releases, the most important changes are:
- new supported devices (i354 and 82599 bypass)
- e1000 base driver updated
- KNI fixed for X540
- MAC control frame forwarding
- various build fixes
This r1 drop is a maintenance release on top of 1.5.1r0.
Thank you to everyone,
--
Thomas

