From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: Kernel 4.19 network performance - forwarding/routing normal users
 traffic
Date: Sat, 10 Nov 2018 07:56:17 -0700
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Cc: netdev <netdev@vger.kernel.org>, Yoel Caspersen <yoel@kviknet.dk>
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        Jesper Dangaard Brouer <brouer@redhat.com>
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On 11/10/18 6:18 AM, Paweł Staszewski wrote:
> 
> ./xdp_fwd enp175s0f0 enp175s0f1
> libbpf: failed to create map (name: 'stats_map'): Operation not permitted
> libbpf: failed to load object './xdp_fwd_kern.o'

Forgot I had increased locked memory:
 ulimit -l unlimited
./xdp_fwd enp175s0f0 enp175s0f1