am e87ebb08: Merge "Cleanup Netd to prevent getting hung." into gingerbread

Merge commit 'e87ebb08fba88628a65eae88fc5bc7911cfa7d97' into gingerbread-plus-aosp

* commit 'e87ebb08fba88628a65eae88fc5bc7911cfa7d97':
  Cleanup Netd to prevent getting hung.