Arping not updating arp table

I was looking into arp table for a particular device but wasn't finding there.
The device was responding to the arping.
That is, even after a successful "arping -I br-lan ", it was not updating the ARP table.

Apparently this is a new behaviour in kernel.

Fix is to do:

echo 1 > /proc/sys/net/ipv4/conf/br-lan/arp_accept

Thread: https://www.spinics.net/lists/netdev/msg314093.html

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