Merge "Revert "check whether the network interface exists before using it"" into main am: 2962de54a1

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3364447

Change-Id: Ie9e665901d05a9f3b0c441ac825cae0f58ad4d4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>