/usr/share/dbus-1/interfaces/ is in network-manager-dev 1.10.6-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.AccessPoint.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.AgentManager.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Checkpoint.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Connection.Active.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.DHCP4Config.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.DHCP6Config.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Adsl.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Bluetooth.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Bond.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Bridge.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Dummy.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Generic.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.IPTunnel.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Infiniband.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Macsec.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Macvlan.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Modem.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.OlpcMesh.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.OvsBridge.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.OvsInterface.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.OvsPort.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Ppp.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Statistics.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Team.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Tun.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Veth.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Vlan.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Vxlan.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.WiMax.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Wired.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.Wireless.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Device.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.DnsManager.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.IP4Config.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.IP6Config.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.PPP.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.SecretAgent.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Settings.Connection.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.Settings.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.VPN.Connection.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.VPN.Plugin.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.WiMax.Nsp.xml
/usr/share/dbus-1/interfaces/org.freedesktop.NetworkManager.xml