Funny message from jenkins

I got this funny mail from jenkins - anyone has a clue what is this warning? *** WARNING: THE ATTACHED DOCUMENT(S) CONTAIN MACROS *** *** MACROS MAY CONTAIN MALICIOUS CODE *** *** Open only if you can verify and trust the sender *** *** Please contact infosec(a)redhat.com if you have questions or concerns ** Jenkins CI has posted comments on this change. Change subject: hsm: Refine error handling in getDevicesVisibility ...................................................................... Patch Set 2: Continuous-Integration+1 Build Successful http://jenkins.ovirt.org/job/vdsm_master_check-patch-fc23-x86_64/288/ : SUCCESS -- To view, visit https://gerrit.ovirt.org/39305 Nir