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[Thomas Bechtold <tbechtold@xxxxxxxx>]

Public bug reported:

When using Xen as hypervisor and the linuxbridge ml2 plugin, the neutron-linuxbridge-agent does not detect added/removed/changed tap devices.
The reason seems that the agent only searches in /sys/devices/virtual/net for tap devices. In the Xen case, the tap devices don't popup in this directory. The devices are available in /sys/class/net . Also according to the kernel ABI doc (see https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices ), /sys/devices should not be used. Instead /sys/class should be used.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: linuxbridge

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https://bugs.launchpad.net/bugs/1419754

Title:
  linuxbridge+Xen: tap devices not detected by neutron-linuxbridge-agent

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  When using Xen as hypervisor and the linuxbridge ml2 plugin, the neutron-linuxbridge-agent does not detect added/removed/changed tap devices.
  The reason seems that the agent only searches in /sys/devices/virtual/net for tap devices. In the Xen case, the tap devices don't popup in this directory. The devices are available in /sys/class/net . Also according to the kernel ABI doc (see https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices ), /sys/devices should not be used. Instead /sys/class should be used.

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