On Mon, Oct 03, 2016 at 07:27:35PM +0000, Steven Schlansker wrote: > Hi linux-stable, > > This is a request to backport > > 751eb6b6 ipv6: addrconf: fix dev refcont leak when DAD failed > https://github.com/torvalds/linux/commit/751eb6b6042a596b0080967c1a529a9fe98dac1d > > to linux-stable 4.4.y branch. > It has already been applied to stable master, and 4.7.y, but not longterm 4.4.y > > We often (1+/week) run into hosts hanging with errors like > > [1637669.684652] unregister_netdevice: waiting for veth26dc718 to become free. Usage count = 1 > [1637679.864366] unregister_netdevice: waiting for veth26dc718 to become free. Usage count = 1 > > and have been told that this patch likely fixes the problem. It's already in the 4.4.22 stable release, are you not already using that release? confused, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html