possible ceilometer Havana on Grizzly

hi 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