* Flow key also has family as one of the key fields, while
  calculating flow key from flow index we weren't setting
  family field, resulting in framing wrong flow key.
  Fixes test_ecmp test case failure

Change-Id: Ie778b69613c9470110d1b908ab17ecb0b864a8fd
Merge "* Flow key also has family as one of the key fields, while   calculating flow key from flow index we weren't setting   family field, resulting in framing wrong flow key.   Fixes test_ecmp test case failure"