Tangentially related to this: I was trying to detect when the problem with the "too 
many resubmits" occurs, for alerting purposes.
Some light examination of the source of ovs suggested that the coverage counter 
"drop_action_too_many_resubmit" corresponds to the error 
"XLATE_TOO_MANY_RESUBMITS".

So I saw this very recent log message in /var/log/openvswitch/ovs-vswitchd.log 
(I censored some addresses):

2023-03-03T10:06:51.453Z|00518|ofproto_dpif_xlate(handler34)|WARN|over 4096 
resubmit actions on bridge br-int while processing 
arp,in_port=1,vlan_tci=0x0000,dl_src=zz:zz:zz:zz:zz:zz,dl_dst=ff:ff:ff:ff:ff:ff,arp_spa=xxx.xxx.xxx.xxx,arp_tpa=yyy.yyy.yyy.yyy,arp_op=1,arp_sha=vv:vv:vv:vv:vv:vv,arp_tha=00:00:00:00:00:00

but the coverage counter seems to ignore this:

# ovs-appctl coverage/read-counter drop_action_too_many_resubmit
0

Is this a bug or am I looking at the wrong thing(s)?

Cheers,
-Olaf.

--
Olaf Seibert
Site Reliability Engineer

SysEleven GmbH
Boxhagener Straße 80
10245 Berlin

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F +49 30 616 7555 0


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