[automerger skipped] Don't enumerate interfaces if no interfaces were found. am: 7b753522c0 -s ours am: 9e483944c1 -s ours am: a6aed23f63 -s ours

am skip reason: Change-Id Id9289e5a22dddceb53782d75e3caa4f6a88c6fb1 with SHA-1 7b753522c0 is in history

Change-Id: Ie491b1bff6a85e759a915b7fc015f01d9d77a341