/etc/logcheck/ignore.d.server/nscd is in logcheck-database 1.3.18.
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:]-]+ nscd: nss_ldap: reconnect(ing|ed) to LDAP server(\.\.\.| after [0-9]+ attempt\(s\))$
|