From: David Ahern <dsah...@kernel.org> Date: Thu, 11 Oct 2018 20:33:49 -0700
> From: David Ahern <dsah...@gmail.com> > > When a link's carrier goes down it could be a sign of the port changing > networks. If the new network has overlapping addresses with the old one, > then the kernel will continue trying to use neighbor entries established > based on the old network until the entries finally age out - meaning a > potentially long delay with communications not working. > > This patch evicts neighbor entries on carrier down with the exception of > those marked permanent. Permanent entries are managed by userspace (either > an admin or a routing daemon such as FRR). > > Signed-off-by: David Ahern <dsah...@gmail.com> Applied.
