/etc/logcheck/ignore.d.server/bluez-utils is in logcheck-database 1.3.16.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dund\[[[:digit:]]+\]: Accept failed\. Interrupted system call\([[:digit:]]+\)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dund\[[[:digit:]]+\]: Service record unregistration failed\.$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ hcid\[[[:digit:]]{1,5}\]: (Unr|R)egister path:/org/bluez[-/_.[:alnum:]]*( fallback:[[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ (hci|sdp|hid|pan|dun)d\[[[:digit:]]{1,5}\]: Bluetooth (HCI|SDP|HID|PAN|DUN) daemon( version [.[:digit:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ hcid\[[[:digit:]]{1,5}\]: Device hci[[:digit:]]+ has been (remov|a(dd|ctivat))ed$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ hcid\[[[:digit:]]{1,5}\]: HCI dev [[:digit:]]+ (registered|already up)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ hcid\[[[:digit:]]{1,5}\]: Starting security manager [[:digit:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ pand\[[[:digit:]]{1,5}\]: New connection from [:[:xdigit:]]+( bnep[[:digit:]]+)?$
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