* Appy redirect to default path in AffinityPath.

Signed-off-by: Suchi Raman <suchi.raman@plexxi.com>
* Cleanup tap and affinity implementation using affinity path.

Signed-off-by: Suchi Raman <suchi.raman@plexxi.com>
* Added HostPairPath to represent path segment from one intermediate host to another intermediate host.
* Used in affinity path.

Signed-off-by: Suchi Raman <suchi.raman@plexxi.com>
* Work-in-progress commit.

Signed-off-by: Suchi Raman <suchi.raman@plexxi.com>
Tap and redirect use 4-tuple rules. For redirect, traffic from the
waypoint server is assumed to have src MAC = wp MAC.

Signed-off-by: Suchi Raman <suchi.raman@plexxi.com>