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[LiZekun <2027750@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

There is a physical network in neutron's ml2_conf.ini configuration file
with only the ml2_type_vlan range configured but no bridge_mappings
configured, when I add a NIC to the VM using the external network
created by this physical network it will fail to be bound, and the VM
state will be normal after the failure of adding the NIC bindings, but a
hard restart of the VM will cause the VM state to change to an error
afterward.

nova.exception.NovaException: Unsupported VIF type binding_failed
convert '_nova_to_osvif_vif_binding_failed'

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2027750

Title:
  After the openstack virtual machine fails to bind a network card with
  an existing port, the virtual machine will be hard restarted and
  become in an error state

Status in OpenStack Compute (nova):
  New

Bug description:
  There is a physical network in neutron's ml2_conf.ini configuration
  file with only the ml2_type_vlan range configured but no
  bridge_mappings configured, when I add a NIC to the VM using the
  external network created by this physical network it will fail to be
  bound, and the VM state will be normal after the failure of adding the
  NIC bindings, but a hard restart of the VM will cause the VM state to
  change to an error afterward.

  nova.exception.NovaException: Unsupported VIF type binding_failed
  convert '_nova_to_osvif_vif_binding_failed'

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