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[Nikita Gerasimov <nikita.gerasimov@xxxxxxxxxx>]

Public bug reported:

kilo-rc3

Using library: libvirt 1.2.11
Using API: Xen 1.2.11
Running hypervisor: Xen 4.5.0

network_api_class=nova.network.neutronv2.api.API

According to http://xenbits.xen.org/docs/unstable/misc/xl-network-configuration.html "If the domain is an HVM domain then the associated emulated (tap) device will have a "-emu" suffice added."
Neutron API and libvirt VIF using network_model.NIC_NAME_LEN which is 14. After XEN scripts adds "-emu" suffix vif can't be handled by xen-hotplug script:
++ ip link set vif1.0 name tap08205d6b-0a-emu
Error: argument "tap08205d6b-0a-emu" is wrong: "name" too long

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: libvirt network xen

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https://bugs.launchpad.net/bugs/1450465

Title:
  vif name too long when libvirt driver trying to create XEN HVM domain

Status in OpenStack Compute (Nova):
  New

Bug description:
  kilo-rc3

  Using library: libvirt 1.2.11
  Using API: Xen 1.2.11
  Running hypervisor: Xen 4.5.0

  network_api_class=nova.network.neutronv2.api.API

  According to http://xenbits.xen.org/docs/unstable/misc/xl-network-configuration.html "If the domain is an HVM domain then the associated emulated (tap) device will have a "-emu" suffice added."
  Neutron API and libvirt VIF using network_model.NIC_NAME_LEN which is 14. After XEN scripts adds "-emu" suffix vif can't be handled by xen-hotplug script:
  ++ ip link set vif1.0 name tap08205d6b-0a-emu
  Error: argument "tap08205d6b-0a-emu" is wrong: "name" too long

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