We currently have a multi-compute node stack (controller, network, block storage & 3 compute nodes.) Upon spawning an instance, it resizes to match the flavor, then it attempts to obtain an ip address for eth0 prior to cloud-init. The process failes. The network node (rdo3) /var/log/nova/scheduler.log is reporting... 2014-03-20 12:57:45.265 26619 ERROR nova.scheduler.filter_scheduler [req-d371cbd0-2a55-451a-ae5a-59ba30137ab8 a85956a2380648259bfc13293376847c 5942763cd7e34ee0bfd792300fbdc019] [instance: e9c85cad-7a60-4a31-a2f2-5747f302d24a] Error from last host: rdo4.ciso.leidos.com (node rdo4.ciso.leidos.com): [u'Traceback (most recent call last):\n', u' File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1043, in _build_instance\n set_access_ip=set_access_ip)\n', u' File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1426, in _spawn\n LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', u' File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 1423, in _spawn\n block_device_info)\n', u' File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 2091, in spawn\n block_device_info, context=context)\n', u' File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3249, in _create_domain_and_network\n domain = self._create_domain(xml, instance=instance, power_on=power_on)\n', u' File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3192, in _create_domain\n domain.XMLDesc(0))\n', u' File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3187, in _create_domain\n domain.createWithFlags(launch_flags)\n', u' File "/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 179, in doit\n result = proxy_call(self._autowrap, f, *args, **kwargs)\n', u' File "/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 139, in proxy_call\n rv = execute(f,*args,**kwargs)\n', u' File "/usr/lib/python2.6/site-packages/eventlet/tpool.py", line 77, in tworker\n rv = meth(*args,**kwargs)\n', u' File "/usr/lib64/python2.6/site-packages/libvirt.py", line 708, in createWithFlags\n if ret == -1: raise libvirtError (\'virDomainCreateWithFlags() failed\', dom=self)\n', u"libvirtError: internal error Process exited while reading console log output: char device redirected to /dev/pts/1\nqemu-kvm: -netdev tap,ifname=tap8ebf8a93-46,script=,id=hostnet0: Device 'tap' could not be initialized\n\n"] Compute nodes (rdo1/3/4) /var/log/neutron/openvswitch-agent.log are reporting... 2014-03-20 14:41:06.289 3695 ERROR neutron.agent.linux.ovsdb_monitor [-] Error received from ovsdb monitor: ovsdb-client: unix:/var/run/openvswitch/db.sock: receive failed (End of file) Thank you.