Add log.wtf if ENOTSUPP occurs when attaching DHCP filter. am: 7619307a93

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2175691

Change-Id: Ieede2174286e9eb420eaf7d64586c45424afb9ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>