Не удается запустить экземпляр: сбой выделения устройства nbd

Я использовал AutoPilot для установки OpenStack. на нескольких вычислительных узлах, когда я пытаюсь подготовить виртуальную машину, я получаю следующую ошибку в nova-compute.log

2015-05-14 19:38:07.807 7494 WARNING nova.virt.disk.mount.nbd [-] No free nbd devices
2015-05-14 19:38:07.807 7494 INFO nova.virt.disk.mount.api [-] Device allocation failed. Will retry in 2 seconds.
2015-05-14 19:38:22.884 7494 ERROR nova.network.linux_net [-] Unable to execute ['ovs-vsctl', '--timeout=120', '--', '--if-exists', 'del-port', u'qvo6a2b71b0-f4', '--', 'add-port', 'br-int', u'qvo6a2b71b0-f4', '--', 'set', 'Interface', u'qvo6a2b71b0-f4', u'external-ids:iface-id=6a2b71b0-f4dd-4346-8ce3-cf37d3bee46a', 'external-ids:iface-status=active', u'external-ids:attached-mac=fa:16:3e:eb:dd:ae', 'external-ids:vm-uuid=4fc5ca8c-d353-4e3d-b953-998eb6b32370']. Exception: Unexpected error while running command.
Command: sudo nova-rootwrap /etc/nova/rootwrap.conf ovs-vsctl --timeout=120 -- --if-exists del-port qvo6a2b71b0-f4 -- add-port br-int qvo6a2b71b0-f4 -- set Interface qvo6a2b71b0-f4 external-ids:iface-id=6a2b71b0-f4dd-4346-8ce3-cf37d3bee46a external-ids:iface-status=active external-ids:attached-mac=fa:16:3e:eb:dd:ae external-ids:vm-uuid=4fc5ca8c-d353-4e3d-b953-998eb6b32370
Exit code: 1
Stdout: u''
Stderr: u'2015-05-14T19:38:22Z|00002|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (Protocol error)\novs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Protocol error)\n'
2015-05-14 19:38:22.885 7494 ERROR nova.compute.manager [-] [instance: 4fc5ca8c-d353-4e3

. Любая помощь приветствуется.

Конфигурация среды, в автопилоте я настроил: KVM, Open vSwitch, Ceph, Ceph.

Вот мой ландшафтный статус джуджу:

landscape@juju-machine-0-lxc-2:~$ juju status
environment: "1"
machines:
  "0":
    agent-state: started
    agent-version: 1.22.1
    dns-name: dumbledor.maas
    instance-id: /MAAS/api/1.0/nodes/node-89fd853a-f5c3-11e4-bf21-0015c5607ff0/
    series: trusty
    containers:
      0/lxc/0:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.150
        instance-id: juju-machine-0-lxc-0
        series: trusty
        hardware: arch=amd64
      0/lxc/1:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.151
        instance-id: juju-machine-0-lxc-1
        series: trusty
        hardware: arch=amd64
    hardware: arch=amd64 cpu-cores=4 mem=8192M
    state-server-member-status: has-vote
  "1":
    agent-state: started
    agent-version: 1.22.1
    dns-name: malfoy.maas
    instance-id: /MAAS/api/1.0/nodes/node-a91bece8-f50c-11e4-b4ed-0015c5607ff0/
    series: trusty
    containers:
      1/lxc/0:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.158
        instance-id: juju-machine-1-lxc-0
        series: trusty
        hardware: arch=amd64
      1/lxc/1:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.159
        instance-id: juju-machine-1-lxc-1
        series: trusty
        hardware: arch=amd64
    hardware: arch=amd64 cpu-cores=4 mem=8192M
  "2":
    agent-state: started
    agent-version: 1.22.1
    dns-name: voldemort.maas
    instance-id: /MAAS/api/1.0/nodes/node-bcc0e8c6-f515-11e4-b4ed-0015c5607ff0/
    series: trusty
    containers:
      2/lxc/0:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.153
        instance-id: juju-machine-2-lxc-0
        series: trusty
        hardware: arch=amd64
      2/lxc/1:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.154
        instance-id: juju-machine-2-lxc-1
        series: trusty
        hardware: arch=amd64
      2/lxc/2:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.156
        instance-id: juju-machine-2-lxc-2
        series: trusty
        hardware: arch=amd64
    hardware: arch=amd64 cpu-cores=2 mem=4096M
  "3":
    agent-state: started
    agent-version: 1.22.1
    dns-name: weasley.maas
    instance-id: /MAAS/api/1.0/nodes/node-70ff0c70-f550-11e4-bf17-0015c5607ff0/
    series: trusty
    containers:
      3/lxc/0:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.160
        instance-id: juju-machine-3-lxc-0
        series: trusty
        hardware: arch=amd64
      3/lxc/1:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.161
        instance-id: juju-machine-3-lxc-1
        series: trusty
        hardware: arch=amd64
      3/lxc/2:
        agent-state: started
        agent-version: 1.22.1
        dns-name: 10.10.1.162
        instance-id: juju-machine-3-lxc-2
        series: trusty
        hardware: arch=amd64
    hardware: arch=amd64 cpu-cores=4 mem=32768M
services:
  ceph:
    charm: cs:trusty/ceph-31
    can-upgrade-to: cs:trusty/ceph-36
    exposed: false
    relations:
      client:
      - cinder
      - glance
      - landscape-client
      - nova-compute
      juju-info:
      - landscape-client
      mon:
      - ceph
      osd:
      - ceph-osd
      radosgw:
      - ceph-radosgw
    units:
      ceph/0:
        agent-state: started
        agent-version: 1.22.1
        machine: "0"
        public-address: dumbledor.maas
        subordinates:
          landscape-client/0:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: dumbledor.maas
      ceph/1:
        agent-state: started
        agent-version: 1.22.1
        machine: "2"
        public-address: voldemort.maas
        subordinates:
          landscape-client/7:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: voldemort.maas
      ceph/2:
        agent-state: started
        agent-version: 1.22.1
        machine: "3"
        public-address: weasley.maas
        subordinates:
          landscape-client/9:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: weasley.maas
  ceph-osd:
    charm: cs:trusty/ceph-osd-5
    can-upgrade-to: cs:trusty/ceph-osd-10
    exposed: false
    relations:
      juju-info:
      - landscape-client
      mon:
      - ceph
    units:
      ceph-osd/0:
        agent-state: started
        agent-version: 1.22.1
        machine: "1"
        public-address: malfoy.maas
        subordinates:
          landscape-client/8:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: malfoy.maas
  ceph-radosgw:
    charm: cs:trusty/ceph-radosgw-8
    can-upgrade-to: cs:trusty/ceph-radosgw-12
    exposed: false
    relations:
      identity-service:
      - keystone
      juju-info:
      - landscape-client
      mon:
      - ceph
    units:
      ceph-radosgw/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 3/lxc/2
        open-ports:
        - 80/tcp
        public-address: 10.10.1.162
        subordinates:
          landscape-client/11:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.162
  cinder:
    charm: cs:trusty/cinder-10
    can-upgrade-to: cs:trusty/cinder-23
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      ceph:
      - ceph
      cinder-volume-service:
      - nova-cloud-controller
      cluster:
      - cinder
      identity-service:
      - keystone
      image-service:
      - glance
      juju-info:
      - landscape-client
      shared-db:
      - mysql
    units:
      cinder/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 2/lxc/2
        public-address: 10.10.1.156
        subordinates:
          landscape-client/16:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.156
  glance:
    charm: cs:trusty/glance-9
    can-upgrade-to: cs:trusty/glance-20
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      ceph:
      - ceph
      cluster:
      - glance
      identity-service:
      - keystone
      image-service:
      - cinder
      - nova-cloud-controller
      - nova-compute
      juju-info:
      - landscape-client
      shared-db:
      - mysql
    units:
      glance/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 3/lxc/0
        open-ports:
        - 9292/tcp
        public-address: 10.10.1.160
        subordinates:
          landscape-client/15:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.160
  keystone:
    charm: cs:trusty/keystone-9
    can-upgrade-to: cs:trusty/keystone-25
    exposed: false
    relations:
      cluster:
      - keystone
      identity-service:
      - ceph-radosgw
      - cinder
      - glance
      - neutron-api
      - nova-cloud-controller
      - openstack-dashboard
      juju-info:
      - landscape-client
      shared-db:
      - mysql
    units:
      keystone/0:
        agent-state: error
        agent-state-info: 'hook failed: "identity-service-relation-changed" for neutron-api:identity-service'
        agent-version: 1.22.1
        machine: 0/lxc/0
        public-address: 10.10.1.150
        subordinates:
          landscape-client/4:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.150
  landscape-client:
    charm: cs:trusty/landscape-client-11
    can-upgrade-to: cs:trusty/landscape-client-12
    exposed: false
    relations:
      ceph-client:
      - ceph
      container:
      - ceph
      - ceph-osd
      - ceph-radosgw
      - cinder
      - glance
      - keystone
      - mysql
      - neutron-api
      - neutron-gateway
      - nova-cloud-controller
      - nova-compute
      - ntpmaster
      - openstack-dashboard
      - rabbitmq-server
    subordinate-to:
    - ceph
    - ceph-osd
    - ceph-radosgw
    - cinder
    - glance
    - keystone
    - mysql
    - neutron-api
    - neutron-gateway
    - nova-cloud-controller
    - nova-compute
    - ntpmaster
    - openstack-dashboard
    - rabbitmq-server
  mysql:
    charm: cs:trusty/percona-cluster-13
    can-upgrade-to: cs:trusty/percona-cluster-21
    exposed: false
    relations:
      cluster:
      - mysql
      juju-info:
      - landscape-client
      shared-db:
      - cinder
      - glance
      - keystone
      - neutron-api
      - neutron-gateway
      - nova-cloud-controller
      - nova-compute
    units:
      mysql/0:
        agent-state: error
        agent-state-info: 'hook failed: "config-changed"'
        agent-version: 1.22.1
        machine: 2/lxc/0
        public-address: 10.10.1.153
        subordinates:
          landscape-client/10:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.153
  neutron-api:
    charm: cs:trusty/neutron-api-5
    can-upgrade-to: cs:trusty/neutron-api-14
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      cluster:
      - neutron-api
      identity-service:
      - keystone
      juju-info:
      - landscape-client
      neutron-api:
      - nova-cloud-controller
      neutron-plugin-api:
      - neutron-openvswitch
      shared-db:
      - mysql
    units:
      neutron-api/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 1/lxc/0
        open-ports:
        - 9696/tcp
        public-address: 10.10.1.158
        subordinates:
          landscape-client/13:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.158
  neutron-gateway:
    charm: cs:trusty/quantum-gateway-8
    can-upgrade-to: cs:trusty/quantum-gateway-16
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      cluster:
      - neutron-gateway
      juju-info:
      - landscape-client
      - ntp
      quantum-network-service:
      - nova-cloud-controller
      shared-db:
      - mysql
    units:
      neutron-gateway/0:
        agent-state: started
        agent-version: 1.22.1
        machine: "0"
        public-address: dumbledor.maas
        subordinates:
          landscape-client/1:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: dumbledor.maas
          ntp/0:
            upgrading-from: cs:trusty/ntp-6
            agent-state: started
            agent-version: 1.22.1
            public-address: dumbledor.maas
  neutron-openvswitch:
    charm: cs:trusty/neutron-openvswitch-1
    can-upgrade-to: cs:trusty/neutron-openvswitch-7
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      neutron-plugin:
      - nova-compute
      neutron-plugin-api:
      - neutron-api
    subordinate-to:
    - nova-compute
  nova-cloud-controller:
    charm: cs:trusty/nova-cloud-controller-50
    can-upgrade-to: cs:trusty/nova-cloud-controller-56
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      cinder-volume-service:
      - cinder
      cloud-compute:
      - nova-compute
      cluster:
      - nova-cloud-controller
      identity-service:
      - keystone
      image-service:
      - glance
      juju-info:
      - landscape-client
      neutron-api:
      - neutron-api
      quantum-network-service:
      - neutron-gateway
      shared-db:
      - mysql
    units:
      nova-cloud-controller/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 2/lxc/1
        open-ports:
        - 3333/tcp
        - 8773/tcp
        - 8774/tcp
        - 9696/tcp
        public-address: 10.10.1.154
        subordinates:
          landscape-client/17:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.154
  nova-compute:
    charm: cs:trusty/nova-compute-11
    can-upgrade-to: cs:trusty/nova-compute-24
    exposed: false
    relations:
      amqp:
      - rabbitmq-server
      ceph:
      - ceph
      cloud-compute:
      - nova-cloud-controller
      compute-peer:
      - nova-compute
      image-service:
      - glance
      juju-info:
      - landscape-client
      - ntp
      neutron-plugin:
      - neutron-openvswitch
      shared-db:
      - mysql
    units:
      nova-compute/0:
        agent-state: error
        agent-state-info: 'hook failed: "cloud-compute-relation-changed" for nova-cloud-controller:cloud-compute'
        agent-version: 1.22.1
        machine: "1"
        public-address: malfoy.maas
        subordinates:
          landscape-client/3:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: malfoy.maas
          neutron-openvswitch/0:
            upgrading-from: cs:trusty/neutron-openvswitch-1
            agent-state: started
            agent-version: 1.22.1
            public-address: malfoy.maas
          ntp/1:
            upgrading-from: cs:trusty/ntp-6
            agent-state: started
            agent-version: 1.22.1
            public-address: malfoy.maas
      nova-compute/1:
        agent-state: error
        agent-state-info: 'hook failed: "cloud-compute-relation-changed" for nova-cloud-controller:cloud-compute'
        agent-version: 1.22.1
        machine: "2"
        public-address: voldemort.maas
        subordinates:
          landscape-client/5:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: voldemort.maas
          neutron-openvswitch/1:
            upgrading-from: cs:trusty/neutron-openvswitch-1
            agent-state: started
            agent-version: 1.22.1
            public-address: voldemort.maas
          ntp/2:
            upgrading-from: cs:trusty/ntp-6
            agent-state: started
            agent-version: 1.22.1
            public-address: voldemort.maas
      nova-compute/2:
        agent-state: started
        agent-version: 1.22.1
        machine: "3"
        public-address: weasley.maas
        subordinates:
          landscape-client/6:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: weasley.maas
          neutron-openvswitch/2:
            upgrading-from: cs:trusty/neutron-openvswitch-1
            agent-state: started
            agent-version: 1.22.1
            public-address: weasley.maas
          ntp/3:
            upgrading-from: cs:trusty/ntp-6
            agent-state: started
            agent-version: 1.22.1
            public-address: weasley.maas
  ntp:
    charm: cs:trusty/ntp-6
    can-upgrade-to: cs:trusty/ntp-8
    exposed: false
    relations:
      juju-info:
      - neutron-gateway
      - nova-compute
      master:
      - ntpmaster
    subordinate-to:
    - neutron-gateway
    - nova-compute
  ntpmaster:
    charm: cs:trusty/ntpmaster-2
    exposed: false
    relations:
      juju-info:
      - landscape-client
      master:
      - ntp
      peer:
      - ntpmaster
    units:
      ntpmaster/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 0/lxc/1
        open-ports:
        - 123/udp
        public-address: 10.10.1.151
        subordinates:
          landscape-client/2:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.151
  openstack-dashboard:
    charm: cs:trusty/openstack-dashboard-8
    can-upgrade-to: cs:trusty/openstack-dashboard-14
    exposed: false
    relations:
      cluster:
      - openstack-dashboard
      identity-service:
      - keystone
      juju-info:
      - landscape-client
    units:
      openstack-dashboard/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 1/lxc/1
        open-ports:
        - 80/tcp
        - 443/tcp
        public-address: 10.10.1.159
        subordinates:
          landscape-client/14:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.159
  rabbitmq-server:
    charm: cs:trusty/rabbitmq-server-24
    can-upgrade-to: cs:trusty/rabbitmq-server-32
    exposed: false
    relations:
      amqp:
      - cinder
      - glance
      - neutron-api
      - neutron-gateway
      - neutron-openvswitch
      - nova-cloud-controller
      - nova-compute
      cluster:
      - rabbitmq-server
      juju-info:
      - landscape-client
    units:
      rabbitmq-server/0:
        agent-state: started
        agent-version: 1.22.1
        machine: 3/lxc/1
        open-ports:
        - 5672/tcp
        public-address: 10.10.1.161
        subordinates:
          landscape-client/12:
            upgrading-from: cs:trusty/landscape-client-11
            agent-state: started
            agent-version: 1.22.1
            public-address: 10.10.1.161
networks:
  maas-eth1:
    provider-id: maas-eth1
    cidr: 10.10.0.0/16