assert_return(bus->state == BUS_UNSET, -EPERM);
assert_return(!bus_pid_changed(bus), -ECHILD);
/* The well knowns we need unconditionally, so that matches can work */
assert_return(bus->state == BUS_UNSET, -EPERM);
assert_return(!bus_pid_changed(bus), -ECHILD);
/* The well knowns we need unconditionally, so that matches can work */