possible ceilomter Havana on Grizzly ? i use ubuntu 12.04 OpenStack "Grizzly' , i have bug on ceilometer 2013.1 'grizzly'

File "/usr/lib/python2.7/dist-packages/ceilometer/compute/pollsters.py", line 245, in get_counters
    for vnic, info in manager.inspector.inspect_vnics(instance_name):
  File "/usr/lib/python2.7/dist-packages/ceilometer/compute/virt/libvirt/inspector.py", line 113, in inspect_vnics
    fref = iface.find('filterref').get('filter')
AttributeError: 'NoneType' object has no attribute 'get'

on repository ubuntu, they not have 2013.1.2 . anyone know to upgrade ceilometer Grizzly to Havana