On a fairly frequent basis I've been getting diagnostic messages by the hundreds in batches (via Console), such as the following:

14-09-17 8:01:53.000 kernel: add_fsevent: unable to get path for vp 0xffffff8012f7de08 (ImapMail; ret 22; type 2)
14-09-17 8:01:53.000 kernel: add_fsevent: unabled to get a path for vp 0xffffff8012f7de08. dropping the event.

14-09-18 9:38:46.000 kernel: add_fsevent: unable to get path for vp 0xffffff80125a2f80 (crls; ret 22; type 2)
14-09-18 9:38:46.000 kernel: add_fsevent: unabled to get a path for vp 0xffffff80125a2f80. dropping the event.

I have no idea what they refer to and whether they represent something I should be concerned about and, if so, how to fix the issue.

Anybody have a clue?

iMac (mid-2011, 2.5 GHz Intel Core i5), Mac OS X Lion (10.7.5)