dist/busconfig/phosphor-logging.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
  <policy group="root">
    <allow own_prefix="xyz.openbmc_project.Logging"/>
    <allow send_destination="xyz.openbmc_project.Logging"/>
  </policy>

  <policy group="phosphor-logging">
    <allow send_destination="xyz.openbmc_project.Logging"/>
  </policy>
</busconfig>