+------------+-----------+------------+---------------------------------------------
| clock      | ns        | timestamp  | value     
+------------+-----------+------------+---------------------------------------------
| 1483175683 | 457847990 | 1483175131 | Device xxxxxx performance has deteriorated. 
| 1483175683 | 457847990 | 1483175132 | Device xxxxxx performance has improved. I/O 
| 1483175683 | 457847990 | 1483175133 | Device xxxxxx performance has improved. I/O 
| 1483175683 | 457847990 | 1483175176 | Lost access to volume xxxxxx (vmstorage) due 
| 1483175683 | 457847990 | 1483175176 | Successfully restored access to volume xxxxxx
| 1483206283 | 521161429 | 1483206353 | Device xxxxxx performance has deteriorated. 
| 1483206283 | 521161429 | 1483206356 | Device xxxxxx performance has improved. I/O 
| 1483206583 | 647379269 | 1483206475 | Device xxxxxx performance has improved. I/O 
| 1483228483 | 132293831 | 1483228575 | Device xxxxxx performance has deteriorated. 
| 1483228483 | 132293831 | 1483228582 | Device xxxxxx performance has deteriorated. 
| 1483228483 | 132293831 | 1483228598 | Device xxxxxx performance has improved. I/O 
| 1483228783 | 283334836 | 1483228617 | Device xxxxxx performance has improved. I/O 
| 1483250684 |  17462313 | 1483175133 | Device xxxxxx performance has improved. I/O 
| 1483250684 |  17462313 | 1483175176 | Lost access to volume xxxxxx (vmstorage) due 
| 1483250684 |  17462313 | 1483175176 | Successfully restored access to volume xxxxxx
| 1483250684 |  17462313 | 1483206353 | Device xxxxxx performance has deteriorated. 
| 1483250684 |  17462313 | 1483206356 | Device xxxxxx performance has improved. I/O 
| 1483250684 |  17462313 | 1483206475 | Device xxxxxx performance has improved. I/O 
| 1483250684 |  17462313 | 1483228575 | Device xxxxxx performance has deteriorated. 
| 1483250684 |  17462313 | 1483228582 | Device xxxxxx performance has deteriorated. 
| 1483250684 |  17462313 | 1483228598 | Device xxxxxx performance has improved. I/O 
| 1483250684 |  17462313 | 1483228617 | Device xxxxxx performance has improved. I/O 
| 1483354183 | 792116682 | 1483354259 | Lost access to volume xxxxxx (vmstorage) due 
| 1483354183 | 792116682 | 1483354259 | Successfully restored access to volume xxxxxx
| 1483354183 | 792116682 | 1483354260 | Device xxxxxx performance has deteriorated. 
| 1483354183 | 792116682 | 1483354260 | Lost access to volume xxxxxx (vmstorage) due 
| 1483354183 | 792116682 | 1483354260 | Device xxxxxx performance has deteriorated.