Comment 35 for bug 1524916

@Jakub, well noted :)
I think that filters are copied over on upgrade since rpm packages are installed [0] and filters are moved during installation as in the spec file [1]. However would be nice if someone else can confirm.

[0] https://github.com/openstack/tripleo-heat-templates/blob/master/puppet/services/tripleo-packages.yaml#L46
[1] https://github.com/rdo-packages/neutron-distgit/blob/rpm-master/openstack-neutron.spec#L377