bus_write_message 1522 src/libsystemd/sd-bus/sd-bus.c                 r = bus_write_message(bus, bus->wqueue[0], false, &bus->windex);
bus_write_message 1647 src/libsystemd/sd-bus/sd-bus.c                 r = bus_write_message(bus, m, hint_sync_call, &idx);