opscode-cookbooks/ssh_known_hosts — pull request #32 by nlopes (2014-11-12 16:02:20+00:00)
Title: Use of the ssh_known_hosts data bag is optional.

This suppresses 'ERROR: Failed to list data bag items in data bag:
"ssh_known_hosts"' from appearing in the client logs if the
ssh_known_hosts data bag is not present.