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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi Qihang:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">What type of setup you deployed ?   AIO-Simplex , Bare-metal or VM ?  and what starlingx version?<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">There are 2 related LP for your reference .  As mentioned [1], only found this issue in AIO-Simplex/VM env.
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">[1]
<a href="https://bugs.launchpad.net/starlingx/+bug/1882172">https://bugs.launchpad.net/starlingx/+bug/1882172</a><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.2pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">[2]
<a href="https://bugs.launchpad.net/starlingx/+bug/1880777">https://bugs.launchpad.net/starlingx/+bug/1880777</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">BR<br>
Austin Sun. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">         <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
</span><span lang="ZH-CN" style="font-size:11.0pt">北邮</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">_</span><span lang="ZH-CN" style="font-size:11.0pt">通信工程</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">_</span><span lang="ZH-CN" style="font-size:11.0pt">刘启航</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
 <lqihang@163.com> <br>
<b>Sent:</b> Friday, October 8, 2021 7:45 PM<br>
<b>To:</b> starlingx-discuss@lists.starlingx.io<br>
<b>Subject:</b> [Starlingx-discuss] openstack Failed to establish a new connection<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black">Hi</span><span lang="ZH-CN" style="font-size:10.5pt;color:black">,</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p style="margin-top:0in;vertical-align:baseline;margin-bottom:var(--s-prose-spacing);font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit">
<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629">when I exploit openstack to build a network simulation, I encountered a problem like this.<o:p></o:p></span></p>
<p style="margin-top:0in;vertical-align:baseline;margin-bottom:var(--s-prose-spacing);font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit">
<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629"><o:p> </o:p></span></p>
<p style="margin-top:0in;vertical-align:baseline;margin-bottom:var(--s-prose-spacing);font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit">
<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629">$ openstack server list<o:p></o:p></span></p>
<p style="margin-top:0in;vertical-align:baseline;margin-bottom:var(--s-prose-spacing);font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit">
<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629">unable to establish connection to <a href="http://nova-api-proxy.openstack.svc.cluster.local:8774/v2.1/a9e3d71fc89147e7aadd28179c03df6c/servers/detail"><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">http://nova-api-proxy.openstack.svc.cluster.local:8774/v2.1/a9e3d71fc89147e7aadd28179c03df6c/servers/detail</span></a>:
 HTTPConnectionPool(host='nova-api-proxy.openstack.svc.cluster.local', port=8774): Max retries exceeded with url: /v2.1/a9e3d71fc89147e7aadd28179c03df6c/servers/detail (Caused by NewConnection Error('urllib3.connection. HTTPConnection object at 0x7faeab41b510>:
 Failed to establish a new connection: [Errno -2] Name or service not known',))<o:p></o:p></span></p>
<p style="margin-top:0in;vertical-align:baseline;margin-bottom:var(--s-prose-spacing);font-variant-numeric: inherit;font-variant-east-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit">
<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629"><o:p> </o:p></span></p>
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<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629">After waiting for a period of time, execute "openstack server list" again, and this error will not appear. The irregular appearance of this error bothers me.<o:p></o:p></span></p>
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<span style="font-size:11.5pt;font-family:"Segoe UI",sans-serif;color:#232629"><o:p> </o:p></span></p>
<pre><span style="color:black">Kind regards,<o:p></o:p></span></pre>
<pre><span style="color:black">Qihang Liu<o:p></o:p></span></pre>
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