On Wed, Mar 09, 2016 at 04:10:38PM -0500, David Miller wrote: > > > > and here we call for NETDEV_DOWN, which then hits masq_device_event > > and go further to conntrack code. > > Yes that's where the notifier comes from, which happens with or without > my patch.
Thanks for explanation, Dave! I'll continue on this task tomorrow tryin to implement optimization you proposed.