This file is indexed.

/etc/logcheck/ignore.d.server/libpam-smbpass is in libpam-smbpass 2:3.6.3-2ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ PAM_smbpass\[[[:digit:]]+\]: username \[[^]]+\] obtained$