From: Hangbin Liu <[email protected]>
Date: Thu, 4 Apr 2019 20:45:18 +0800
> Similarly to dad9b335c694 ("netdevice: Fix promiscuity and allmulti
> overflow"), we should not decrease promiscuity if it is already 0.
>
> An example is after adding a team interface to bridge, the team interface
> will enter promisc mode. Then if we add a slave to team0, the slave will
> keep promisc off. If we remove team from bridge, both team0 and slave will
> decrease the promiscuity, which will cause a negative overflow on the slave.
> The team's issue will be fixed in a separate patch.
>
> Reviewed-by: Stefano Brivio <[email protected]>
> Signed-off-by: Hangbin Liu <[email protected]>
These little hacks are endless.
I would rather see team and bridge and bonding appropriately keep the
promisc count adjusted as need when slaves are added/removed etc.
What is the point of the counter if it doesn't "count" properly?
I'm not applying this.
Because if I apply it, this just encourages more hackish workarounds
for the fundamental problem.