Merge "check whether the network interface exists before using it" into main...

Merge "check whether the network interface exists before using it" into main am: 72752ea0 am: 09fb9530

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3359786



Change-Id: I82920da1b15098760f704c8afbe20b78f3681325
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>