Update scheduled events

- Fix duration on live migration events
- Add note on 0 duration events

Author: adwilso

articles/virtual-machines/linux/scheduled-events.md

@@ -161,7 +161,7 @@ In the case where there are scheduled events, the response contains an array of
 | NotBefore| Time after which this event can start. The event is guaranteed to not start before this time. Will be blank if the event has already started <br><br> Example: <br><ul><li> Mon, 19 Sep 2016 18:29:47 GMT  |
 | Description | Description of this event. <br><br> Example: <br><ul><li> Host server is undergoing maintenance. |
 | EventSource | Initiator of the event. <br><br> Example: <br><ul><li> `Platform`: This event is initiated by platform. <li>`User`: This event is initiated by user. |
-| DurationInSeconds | The expected duration of the interruption caused by the event. <br><br> Example: <br><ul><li> `9`: The interruption caused by the event will last for 9 seconds. <li>`-1`: The default value used if the impact duration is either unknown or not applicable. |
+| DurationInSeconds | The expected duration of the interruption caused by the event. <br><br> Example: <br><ul><li> `9`: The interruption caused by the event will last for 9 seconds. <li> `0`: The event will not interrupt the VM or impact its availability (eg. update to the network) <li>`-1`: The default value used if the impact duration is either unknown or not applicable. |
 
 ### Event Scheduling
 Each event is scheduled a minimum amount of time in the future based on the event type. This time is reflected in an event's `NotBefore` property. 
@@ -251,7 +251,7 @@ The `DocumentIncarnation` is changing every time there is new information in `Ev
                        "NotBefore":  "Mon, 11 Apr 2022 22:26:58 GMT",
                        "Description":  "Virtual machine is being paused because of a memory-preserving Live Migration operation.",
                        "EventSource":  "Platform",
-                       "DurationInSeconds":  -1
+                       "DurationInSeconds":  5
                    }
                ]
 }
@@ -271,7 +271,7 @@ The `DocumentIncarnation` is changing every time there is new information in `Ev
                        "NotBefore":  "",
                        "Description":  "Virtual machine is being paused because of a memory-preserving Live Migration operation.",
                        "EventSource":  "Platform",
-                       "DurationInSeconds":  -1
+                       "DurationInSeconds":  5
                    }
                ]
 }