Remove hack for sending gratuitous arp from fip ns

Remove hack for sending gratuitous arp from fip ns

I just saw this note toward bottom of the lartc [1] page:  "On Linux
2.4, you may need to execute 'echo 1 >
/proc/sys/net/ipv4/ip_nonlocal_bind' before being able to send out
unsolicited ARP messages!"  I wonder if we set that in fip ns, if it
will let us send grat arp without adding/removing the IP.  It couldn't
be that easy, could it?

[1] http://lartc.org/howto/lartc.bridging.proxy-arp.html

Change-Id: Ie55b402a6c46af00c8d4875264489fc4318544b3