IP sent an invalid ICMP type to a broadcast and icmp_ignore_bogus_error_responses

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Hallo,

My kernel complaints himself every second with:

kernel: XX.XX.XX.XX sent an invalid ICMP type 3, code 1 error to a
broadcast: 0.0.0.0 on lo

In the meantime I supressed the messages via  

echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses". 

Other people solved this problem with 

iptables -A INPUT -i lo -j ACCEPT

but it won't work here. Does someone have an idea how I could find out
where the packets are comming from?

-- 
Mit freundlichem Gruß
Sebastian Siewior

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