Comment 1 for bug 1947423

I solved the problem I had with the metering agent with the following change, it may be useful.

diff --git a/ansible/roles/neutron/defaults/main.yml b/ansible/roles/neutron/defaults/main.yml
index a1f58d6dd0dbe6ba4cb2250319c2bbec2b606578..5dc5190d1faaeee239d19922ce2f12a8995f5706 100644
--- a/ansible/roles/neutron/defaults/main.yml
+++ b/ansible/roles/neutron/defaults/main.yml
@@ -494,6 +494,9 @@ neutron_metering_agent_default_volumes:
   - "{{ node_config_directory }}/neutron-metering-agent/:{{ container_config_directory }}/:ro"
   - "/etc/localtime:/etc/localtime:ro"
   - "{{ '/etc/timezone:/etc/timezone:ro' if ansible_facts.os_family == 'Debian' else '' }}"
+ - "/lib/modules:/lib/modules:ro"
+ - "neutron_metadata_socket:/var/lib/neutron/kolla/"
+ - "/run/netns:/run/netns:shared"
   - "kolla_logs:/var/log/kolla/"
   - "{{ kolla_dev_repos_directory ~ '/neutron/neutron:/var/lib/kolla/venv/lib/python' ~ distro_python_version ~ '/site-packages/neutron' if neutron_dev_mode | bool else '' }}"
 ironic_neutron_agent_default_volumes: