Filter neighbour dumps by interface.

This might speed DumpNeighbours (and thus make it more likely for
neighbour_test.py to pass) if there are many ND cache entries on
the system when the test is run.

Bug: 116671340
Test: neighbour_test.py passes on android-4.14
Change-Id: I5baa006d838ec8fd3629841da52e00cfbcd02008
2 files changed
tree: 53e74710667858b0fbe532890a45155765b3ba2b
  1. devicetree/
  2. net/
  3. Android.bp