Another failure on aarch64 RHEL7 Refleaks 3.9:
https://buildbot.python.org/all/#builders/122/builds/62

0:53:43 load avg: 0.97 [424/425/1] test_asyncio failed (env changed) (53 min 34 sec) -- running: test_pydoc (29 min 2 sec)
beginning 6 repetitions
123456
../home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/sslproto.py:320: ResourceWarning: unclosed transport <asyncio.sslproto._SSLProtocolTransport object at 0xffff77a58d00>
  _warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
Warning -- Unraisable exception
Exception ignored in: <function _SSLProtocolTransport.__del__ at 0xffff802d6a50>
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/sslproto.py", line 321, in __del__
    self.close()
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/sslproto.py", line 316, in close
    self._ssl_protocol._start_shutdown()
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/sslproto.py", line 590, in _start_shutdown
    self._abort()
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/sslproto.py", line 731, in _abort
    self._transport.abort()
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/selector_events.py", line 680, in abort
    self._force_close(None)
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/selector_events.py", line 731, in _force_close
    self._loop.call_soon(self._call_connection_lost, exc)
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/base_events.py", line 746, in call_soon
    self._check_closed()
  File "/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
/home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/selector_events.py:704: ResourceWarning: unclosed transport <_SelectorSocketTransport closing fd=8>
  _warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
Task was destroyed but it is pending!
task: <Task pending name='Task-8474' coro=<BaseSelectorEventLoop._accept_connection2() running at /home/buildbot/buildarea/3.9.cstratak-RHEL7-aarch64.refleak/build/Lib/asyncio/selector_events.py:218> wait_for=<Future pending cb=[<TaskWakeupMethWrapper object at 0xffff77a7d8d0>()]>>
....