Merge "NetBpfLoad: do not log bpfGetFdMapId() failures on 4.9" into main am: 461b408129 am: 4290adef1c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3250309

Change-Id: Ia9fc35394d6537975d9561f07bd506dfa7203811
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>