usage on bad network

ERROR    parsl.process_loggers:process_loggers.py:30 Exceptional ending for cleanup on thread MainThread
Traceback (most recent call last):
  File "/home/benc/parsl/src/parsl/parsl/process_loggers.py", line 26, in wrapped
    r = func(*args, **kwargs)
        ^^^^^^^^^^^^^^^^^^^^^
  File "/home/benc/parsl/src/parsl/parsl/dataflow/dflow.py", line 1262, in cleanup
    self.usage_tracker.close()
  File "/home/benc/parsl/src/parsl/parsl/usage_tracking/usage.py", line 231, in close
    proc.close()
  File "/usr/local/lib/python3.12/multiprocessing/process.py", line 181, in close
    raise ValueError("Cannot close a process while it is still running. "
ValueError: Cannot close a process while it is still running. You should first call join() or terminate().

on my laptop when in a dev container with weird networking (aka network connections hang rather than connect... which probably means usage code is sitting inside some OS call?)

parsl/usage_tracking/usage.py

@@ -227,5 +227,7 @@ def close(self, timeout: float = 10.0) -> None:
             if proc.is_alive():
                 logger.warning("Usage tracking process did not end itself; sending SIGKILL")
                 proc.kill()
+                logger.warning("Joining on killed usage tracking process")
+                proc.join()
 
             proc.close()