BpfCoordinator: avoid attach/deatach ipv6 program on 464xlat interface am: 1668b2da03 am: 10348ae532 am: c066e7b75d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2175693

Change-Id: I7d93eca17eebf471c0b10ad2f8ed4c948a1e5c45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>