BpfNetMaps: auto populate interface tracker

on demand, should get rid of:

$ adb shell logcat -s -d : | egrep -i bpfn
03-18 11:55:20.724   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /224.0.0.0(buried_eth0)
03-18 11:55:20.724   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /ff00::(buried_eth0)
03-18 11:55:20.724   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /255.255.255.255(buried_eth0)
03-18 11:55:20.724   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /192.168.0.0(buried_eth0)
03-18 11:55:26.328   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /224.0.0.0(wlan0)
03-18 11:55:26.328   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /ff00::(wlan0)
03-18 11:55:26.328   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /255.255.255.255(wlan0)
03-18 11:55:26.328   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /fe80::(wlan0)
03-18 11:55:29.333   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /fe80::(wlan0)
03-18 11:55:29.348   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /fe80::(wlan0)
03-18 11:55:29.349   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /192.168.99.1(wlan0)
03-18 11:55:29.349   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /192.168.99.1(wlan0)
03-18 11:55:29.349   826  2453 E BpfNetMaps: Failed to get if index, skip addLocalNetAccess for /192.168.0.0(wlan0)

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I1a8c0fcef43674677fd267534d0cc9d1f8514792
1 file changed