Symptom : Sockets are not instantly destroyed during VpnTest.
Root Cause : If CONFIG_INET_DIAG_DESTROY kernel config is not set in Android N, when network interface going to down, sockets are not instantly destroyed.
Solution : Enable CONFIG_INET_DIAG_DESTROY kernel feature. But developer cannot check all of configurations on kernel, so adding some comments in VpnTest.
Signed-off-by: SangJin Cha <sj.cha@lge.com>
Change-Id: Ib97b93dfbfb62fe61bd3688ea7545708ec3ea2a2