[Bug 1617215] [NEW] metering-agent sync useless meter label cause error

[Zhengwei Gao]

Public bug reported:

Metering-agent may be retrieve useless meter label by sync_routers_task,
which tenant's router related metering label didn't scheduler to
metering-agent's host.  When neutron deployed multi-network node, it
will cause Error, e.g Stderr: 'Cannot open network namespace: No such
file or directory\n' execute /usr/lib/python2.7/dist-
packages/neutron/agent/linux/utils.py:60

** Affects: neutron (Ubuntu)
     Importance: Undecided
     Assignee: Zhengwei Gao (multi-task)
         Status: In Progress

** Description changed:

- Metering-agent may be retrieve useless meter label by sync_routers_task, which tenant's router related metering label didn't scheduler to metering-agent's host.  When neutron deployed multi-network node, it will cause Error, 
- e.g Stderr: 'Cannot open network namespace: No such file or directory\n' execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:60
+ Metering-agent may be retrieve useless meter label by sync_routers_task,
+ which tenant's router related metering label didn't scheduler to
+ metering-agent's host.  When neutron deployed multi-network node, it
+ will cause Error, e.g Stderr: 'Cannot open network namespace: No such
+ file or directory\n' execute /usr/lib/python2.7/dist-
+ packages/neutron/agent/linux/utils.py:60

** Changed in: neutron (Ubuntu)
     Assignee: (unassigned) => Zhengwei Gao (multi-task)

** Changed in: neutron (Ubuntu)
       Status: New => In Progress

** Changed in: neutron (Ubuntu)
     Assignee: Zhengwei Gao (multi-task) => (unassigned)

** Changed in: neutron (Ubuntu)
     Assignee: (unassigned) => Zhengwei Gao (multi-task)

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https://bugs.launchpad.net/bugs/1617215

Title:
  metering-agent sync useless meter label  cause error

Status in neutron package in Ubuntu:
  In Progress

Bug description:
  Metering-agent may be retrieve useless meter label by
  sync_routers_task, which tenant's router related metering label didn't
  scheduler to metering-agent's host.  When neutron deployed multi-
  network node, it will cause Error, e.g Stderr: 'Cannot open network
  namespace: No such file or directory\n' execute /usr/lib/python2.7
  /dist-packages/neutron/agent/linux/utils.py:60

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