/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/ is in python-tripleo-image-elements 0.7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/dhcp_agent.ini
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/dnsmasq/
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/dnsmasq/dnsmasq-neutron.conf
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/l3_agent.ini
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/metadata_agent.ini
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/neutron.conf
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/plugins/
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/plugins/ml2/
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/plugins/ml2/ml2_conf.ini
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/plugins/openvswitch/
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini
/usr/share/tripleo-image-elements/neutron/os-apply-config/etc/neutron/rootwrap.conf