[automerge] Gracefully handle duplicate network interface 2p: 67a701c6 am: e833c370

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/17677601



Change-Id: Ie5a001da7a705ed6fe4a1d22cd7d714965e75bf4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>