<div dir="ltr">
<p class="MsoNormal">>> AttributeError: 'NoneType' object has no attribute 'refresh_firewall'</p><p class="MsoNormal">That errors is mostly harmless.<br></p><p class="MsoNormal"><br></p><p class="MsoNormal">
>> While booting instance log shows “<span style="font-size:10pt;font-family:"Verdana","sans-serif";color:rgb(102,0,102)">sending discover...”</span></p><div class="gmail_extra"><br></div><div class="gmail_extra">
This looks like DHCP server is not working. Did you enable DHCP in your subnet?<br></div><div class="gmail_extra">Is neutron-dhcp-agent running on neutron node? Do you see dnsmasq process on neutron node?<br><br><br></div>
<div class="gmail_extra">Thanks,<br>Yuanle<br></div></div>