af_packet: clear bitmap entries when processing input

Need to clear the bitmap entry when processing each input file
descriptor.

This becomes an issue on interface deletion. A crash occurs due
to assertion in a debug image

https://gerrit.fd.io/r/#/c/615/ - removed the code when this was set
again, but the bitmap needs to be cleared

Change-Id: I7cccb9bf8b9b2eb5a7f60ecda7530784a9512116
Signed-off-by: Peter Lei <peterlei@cisco.com>
1 file changed