[PATCH] Fix for IPv4 subnet route migration

[Rodney W. Grimes]

> Currently, the FreeBSD stack gets itself into a bizarre state if you
> try to change the source IP for a subnet route (yes, this implies
> using two IPs on the same subnet on a system.  Yes, I'm aware this is
> a Bad Idea(TM).  Unfortunately I have a customer that insists on this
> configuration)
> 
> You can see the review description for all of the gory details.  IPv6
> is not affected by the issue so I only had to fix IPv4.  The review is
> here:
> 
> https://reviews.freebsd.org/D14547
> 
> If anybody is interested in reviewing this fix, please subscribe
> yourself to the review.  Thanks!

Herald for umbralla Network seems to be broken, this
review touches sys/netinet code which should of tripped
that rule.  Can someone investigate?

I have manually subscribed.


-- 
Rod Grimes                                                 rgrimes at freebsd.org