<div dir="ltr"><div><div><div><div><div>Hi <br></div>I have some weird problem with nova-compute . <br></div>in one of my nodes nova compute refuse to create instance whit this error<br><span class=""><span><br><br></span></span> <span tabindex="-1" id=":11u.1" style class="">Traceback</span> (most recent call last):<br>   File "/<span tabindex="-1" id=":11u.2" style class="">usr</span>/lib/python2.7/dist-packages/nova/compute/manager.<span tabindex="-1" id=":11u.3" style class="">py</span>", line 1329, in _build_instance<br>      set_access_<span tabindex="-1" id=":11u.4" style class="">ip</span>=set_access_<span tabindex="-1" id=":11u.5" style class="">ip</span>)<br>   File "/<span tabindex="-1" id=":11u.6" style class="">usr</span>/lib/python2.7/dist-packages/nova/compute/manager.<span tabindex="-1" id=":11u.7" style class="">py</span>", line 393, in decorated_function<br>     return function(self, context, *<span tabindex="-1" id=":11u.8" style class="">args</span>, **<span tabindex="-1" id=":11u.9" style class="">kwargs</span>)<br>   File "/<span tabindex="-1" id=":11u.10" style class="">usr</span>/lib/python2.7/dist-packages/nova/compute/manager.<span tabindex="-1" id=":11u.11" style class="">py</span>", line 1741, in _spawn<br>     LOG.exception(_('Instance failed to spawn'), instance=instance)<br>   File "/<span tabindex="-1" id=":11u.12" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.13" style class="">openstack</span>/common/<span tabindex="-1" id=":11u.14" style class="">excutils</span>.<span tabindex="-1" id=":11u.15" style class="">py</span>", line 68, in __exit__<br>     six.<span tabindex="-1" id=":11u.16" style class="">reraise</span>(self.type_, self.value, self.<span tabindex="-1" id=":11u.17" style class="">tb</span>)<br>   File "/<span tabindex="-1" id=":11u.18" style class="">usr</span>/lib/python2.7/dist-packages/nova/compute/manager.<span tabindex="-1" id=":11u.19" style class="">py</span>", line 1738, in _spawn<br>     block_device_info)<br>   File "/<span tabindex="-1" id=":11u.20" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.21" style class="">virt</span>/<span tabindex="-1" id=":11u.22" style class="">libvirt</span>/driver.<span tabindex="-1" id=":11u.23" style class="">py</span>", line 2287, in spawn<br>     block_device_info)<br>   File "/<span tabindex="-1" id=":11u.24" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.25" style class="">virt</span>/<span tabindex="-1" id=":11u.26" style class="">libvirt</span>/driver.<span tabindex="-1" id=":11u.27" style class="">py</span>", line 3709, in _create_domain_and_network<br>     network_info)<br>   File "/<span tabindex="-1" id=":11u.28" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.29" style class="">virt</span>/<span tabindex="-1" id=":11u.30" style class="">libvirt</span>/firewall.<span tabindex="-1" id=":11u.31" style class="">py</span>", line 285, in setup_basic_filtering<br>     self.<span tabindex="-1" id=":11u.32" style class="">nwfilter</span>.setup_basic_filtering(instance, network_info)<br>   File "/<span tabindex="-1" id=":11u.33" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.34" style class="">virt</span>/<span tabindex="-1" id=":11u.35" style class="">libvirt</span>/firewall.<span tabindex="-1" id=":11u.36" style class="">py</span>", line 113, in setup_basic_filtering<br>     self._ensure_static_filters()<br>   File "/<span tabindex="-1" id=":11u.37" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.38" style class="">virt</span>/<span tabindex="-1" id=":11u.39" style class="">libvirt</span>/firewall.<span tabindex="-1" id=":11u.40" style class="">py</span>", line 213, in _ensure_static_filters<br>     self._define_filter(self.nova_no_<span tabindex="-1" id=":11u.41" style class="">nd</span>_reflection_filter)<br>   File "/<span tabindex="-1" id=":11u.42" style class="">usr</span>/lib/python2.7/dist-packages/nova/<span tabindex="-1" id=":11u.43" style class="">virt</span>/<span tabindex="-1" id=":11u.44" style class="">libvirt</span>/firewall.<span tabindex="-1" id=":11u.45" style class="">py</span>", line 233, in _define_filter<br>     self._<span tabindex="-1" id=":11u.46" style class="">conn</span>.<span tabindex="-1" id=":11u.47" style class="">nwfilterDefineXML</span>(<span tabindex="-1" id=":11u.48" style class="">xml</span>)<br>   File "/<span tabindex="-1" id=":11u.49" style class="">usr</span>/lib/python2.7/dist-packages/<span tabindex="-1" id=":11u.50" style class="">eventlet</span>/<span tabindex="-1" id=":11u.51" style class="">tpool</span>.<span tabindex="-1" id=":11u.52" style class="">py</span>", line 179, in <span tabindex="-1" id=":11u.53" style class="">doit</span><br>     result = proxy_call(self._<span tabindex="-1" id=":11u.54" style class="">autowrap</span>, f, *<span tabindex="-1" id=":11u.55" style class="">args</span>, **<span tabindex="-1" id=":11u.56" style class="">kwargs</span>)<br>   File "/<span tabindex="-1" id=":11u.57" style class="">usr</span>/lib/python2.7/dist-packages/<span tabindex="-1" id=":11u.58" style class="">eventlet</span>/<span tabindex="-1" id=":11u.59" style class="">tpool</span>.<span tabindex="-1" id=":11u.60" style class="">py</span>", line 139, in proxy_call<br>     <span tabindex="-1" id=":11u.61" style class="">rv</span> = execute(f,*<span tabindex="-1" id=":11u.62" style class="">args</span>,**<span tabindex="-1" id=":11u.63" style class="">kwargs</span>)<br>   File "/<span tabindex="-1" id=":11u.64" style class="">usr</span>/lib/python2.7/dist-packages/<span tabindex="-1" id=":11u.65" style class="">eventlet</span>/<span tabindex="-1" id=":11u.66" style class="">tpool</span>.<span tabindex="-1" id=":11u.67" style class="">py</span>", line 77, in <span tabindex="-1" id=":11u.68" style class="">tworker</span><br>     <span tabindex="-1" id=":11u.69" style class="">rv</span> = <span tabindex="-1" id=":11u.70" style class="">meth</span>(*<span tabindex="-1" id=":11u.71" style class="">args</span>,**<span tabindex="-1" id=":11u.72" style class="">kwargs</span>)<br>   File "/<span tabindex="-1" id=":11u.73" style class="">usr</span>/lib/python2.7/dist-packages/<span tabindex="-1" id=":11u.74" style class="">libvirt</span>.<span tabindex="-1" id=":11u.75" style class="">py</span>", line 3836, in <span tabindex="-1" id=":11u.76" style class="">nwfilterDefineXML</span><br>    if <span tabindex="-1" id=":11u.77" style class="">ret</span> is None:raise <span tabindex="-1" id=":11u.78" style class="">libvirtError</span>('virNWFilterDefineXML() failed', <span tabindex="-1" id=":11u.79" style class="">conn</span>=self)<br> <span tabindex="-1" id=":11u.80" style class="">libvirtError</span>: operation failed: filter 'nova-no-<span tabindex="-1" id=":11u.81" style class="">nd</span>-reflection' already exists with <span tabindex="-1" id=":11u.82" style class="">uuid</span> 89637f16-774a-4b8c-857b-08819c6fcf41<br><br></div>P.S <br></div>i am using nova-network instead of neutron. <br><br></div>tanks in advance.<br><br><div><br><div><div><div><br></div></div></div></div></div>