From: Jim Westfall <jwestf...@surrealistic.net> Date: Sun, 14 Jan 2018 04:18:49 -0800
> This used to be the previous behavior in older kernels but became broken in > a263b3093641f (ipv4: Make neigh lookups directly in output packet path) > and then later removed because it was broken in 0bb4087cbec0 (ipv4: Fix neigh > lookup keying over loopback/point-to-point devices) > > Not having this results in there being an arp entry for every remote ip > address that the device talks to. Given a fairly active device it can > cause the arp table to become huge and/or having to add/purge large number > of entires to keep within table size thresholds. ... > v2: > - fixes coding style issues Series applied and queued up for -stable, thank you.