CI failures with AssertionError: Regex pattern did not match. #9140
Description
In #9139 I see a lot of CI failures all with the error AssertionError: Regex pattern did not match., not the same test every time though.
FAILED distributed/tests/test_scheduler.py::test_restart_nanny_timeout_exceeded - AssertionError: Regex pattern did not match.
Regex: '2/2 nanny worker\\(s\\) did not shut down within 1s'
Input: '[Errno None] None'
FAILED distributed/tests/test_scheduler.py::test_restart_not_all_workers_return - AssertionError: Regex pattern did not match.
Regex: 'Waited for 2 worker'
Input: '[Errno None] None'
FAILED distributed/tests/test_scheduler.py::test_restart_some_nannies_some_not - AssertionError: Regex pattern did not match.
Regex: 'The 1 worker\\(s\\) not using Nannies'
Input: '[Errno None] None'