Add fingerprint for bug 1272468

bug 1272468 had a brief spike in the gate and hasn't been seen since.
This fingerprint is primarily to help improve the overall classication
rate and to make sure this bug doesn't return.

Change-Id: Icc9f9073ce5e07a35a9785a7e69daedc7221fc55
Related-Bug: #1272468
Add fingerprint for bug 1271664

bug 1271664 is a cinder bug.

Change-Id: I2ae46d744ed92bef064576f8766ce3e3ae91dd3a
Related-Bug: #1271664
Merge "Add fingerprint for bug 1271664"
Merge "Add fingerprint for bug 1272468"