/etc/logcheck/ignore.d.server/upsd 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 2 | ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ upsd\[[0-9]+\]: Connection from [.[:digit:]]{7,15}$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ upsd\[[0-9]+\]: Client on [.[:digit:]]{7,15} logged out$
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