Failed to parse request

[srasool]

Getting a weird error on server side, any pointers?

Traceback (most recent call last):
File "/opt/python/lib/python3.10/site-packages/aiohttp/web_protocol.py", line 350, in data_received
messages, upgraded, tail = self._request_parser.feed_data(data)
File "aiohttp/_http_parser.pyx", line 557, in aiohttp._http_parser.HttpParser.feed_data
aiohttp.http_exceptions.BadHttpMessage: 400, message:
Pause on PRI/Upgrade:

b''
  ^

[Dreamsorcerer]

Possibly #8414, or just a client sending an invalid HTTP request.