<div dir="ltr"><p class="MsoNormal">Hello KEA mailing list, <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am seeing the following errors in our logs for our KEA 2.0.0 server.
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Consolas;color:rgb(22,25,31);background:white">“<DATE> <TIME>
</span><span class="m_2806998715356499526logseventstext-error"><span style="font-size:9pt;font-family:Consolas;color:black;background:white">ERROR</span></span><span style="font-size:9pt;font-family:Consolas;color:rgb(22,25,31);background:white"> [kea-dhcp4.packets/113.140299429395256]
  DHCP4_PACKET_PROCESS_STD_</span><span class="m_2806998715356499526logseventstext-error"><span style="font-size:9pt;font-family:Consolas;color:black;background:white">EXCEPTION</span></span><span style="font-size:9pt;font-family:Consolas;color:rgb(22,25,31);background:white">
</span><span class="m_2806998715356499526logseventstext-error"><span style="font-size:9pt;font-family:Consolas;color:black;background:white">exception</span></span><span style="font-size:9pt;font-family:Consolas;color:rgb(22,25,31);background:white"> occurred during packet processing:
 Empty DUIDs are not allowed”</span><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am struggling to understand this error message for a couple of reasons.
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<ol style="margin-top:0cm" type="1" start="1"><li class="m_2806998715356499526MsoListParagraph" style="margin-left:0cm">All
 of the reading I have done has indicated that DUIDs are only used in 
DHCPv6. We are only running DHCPv4 and you can see the above message is 
from the kea-dhcp4 process – “<span style="font-size:9pt;font-family:Consolas;color:rgb(22,25,31);background:white">kea-dhcp4.packets…”
 + “DHCP4_PACKET_PROCESS_STD_</span><span class="m_2806998715356499526logseventstext-error"><span style="font-size:9pt;font-family:Consolas;color:black;background:white">EXCEPTION”</span></span><u></u><u></u></li><li class="m_2806998715356499526MsoListParagraph" style="margin-left:0cm">Further to this IPv6 is explicitly disallowed within our environment so
<i>even if </i>the DHCPv6 process was running nothing should be sending anything to it.
<u></u><u></u></li></ol>

<p class="MsoNormal">Has anyone else seen similar behaviour previously? <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">It did occur to me that a bug like this may also be at play here but I’ve been unable to confirm this -
<a href="https://gitlab.isc.org/isc-projects/kea/-/issues/2260" target="_blank">https://gitlab.isc.org/isc-projects/kea/-/issues/2260</a>
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span>Kind Regards, Gary Henderson</span></p></div>