ReadOnlyDirectories=... for whitelisting files for a service.
* sd-bus:
+ - add sd_bus_get_address() call
+ - s/owner_id/bus_id/?
+ - how can we make the xml enforcement for native clients unnecessary?
+ - replace "container" by "machine" in sd_bus_open_system_container()
+ - add "as" (array of strings) support to bloom filter
- bus-proxy: fix how we detect whether we are connected to a system bus
- kdbus: the kernel should not allow messages to be delivered that have a reply serial != 0, reply-expect unset, but no appropriate window
- kdbus: when we fake creds euid being (uint32_t) -1 is weirdly translated