/etc/logcheck/ignore.d.workstation/polypaudio is in logcheck-database 1.3.17.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ polypaudio\[[0-9]+\]: module-alsa-sink.c: using [0-9]+ fragments of size [0-9]+ bytes.$
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