/etc/logcheck/ignore.d.server/bley.logcheck is in bley 2.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ bley\[[[:digit:]]+\]: decided action=(DUNNO|DEFER_IF_PERMIT)
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ bley\[[[:digit:]]+\]: decided CACHED action=(DUNNO|DEFER_IF_PERMIT)
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