inconsistent updated time when issues are updated with a link to an applinked wiki page

cli-4544:reprosearchapi twong$ curl -v -H "Content-Type: application/json" -u admin:admin "http://localhost:8080/rest/api/2/search?jql=key%20in%20%28NEW-3%29&fields=updated" | jq ..
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying ::1...
* Connected to localhost (::1) port 8080 (#0)
* Server auth using Basic with user 'admin'
> GET /rest/api/2/search?jql=key%20in%20%28NEW-3%29&fields=updated HTTP/1.1
> Host: localhost:8080
> Authorization: Basic YWRtaW46YWRtaW4=
> User-Agent: curl/7.43.0
> Accept: */*
> Content-Type: application/json
> 
< HTTP/1.1 200 OK
< Server: Apache-Coyote/1.1
< X-AREQUESTID: 977x1616x1
< X-ASEN: SEN-L7147545
< Set-Cookie: JSESSIONID=5C5BE4C7922CDA34A0241E07A9924E0B; Path=/; HttpOnly
< X-Seraph-LoginReason: OK
< Set-Cookie: atlassian.xsrf.token=BI3F-GHII-7I31-EZ4D|06d45407e184cf29f9f12a052482ea66c6e57964|lin; Path=/
< X-ASESSIONID: w50x89
< X-AUSERNAME: admin
< Cache-Control: no-cache, no-store, no-transform
< X-Content-Type-Options: nosniff
< Content-Type: application/json;charset=UTF-8
< Transfer-Encoding: chunked
< Date: Tue, 23 Feb 2016 00:17:01 GMT
< 
{ [309 bytes data]
100   302    0   302    0     0   8557      0 --:--:-- --:--:-- --:--:--  8628
* Connection #0 to host localhost left intact
{
  "expand": "names,schema",
  "startAt": 0,
  "maxResults": 50,
  "total": 1,
  "issues": [
    {
      "expand": "operations,versionedRepresentations,editmeta,changelog,transitions,renderedFields",
      "id": "10008",
      "self": "http://localhost:8080/rest/api/2/issue/10008",
      "key": "NEW-3",
      "fields": {
        "updated": "2016-02-16T11:47:45.000-0800"
      }
    }
  ]
}
"names,schema"
0
50
1
[
  {
    "expand": "operations,versionedRepresentations,editmeta,changelog,transitions,renderedFields",
    "id": "10008",
    "self": "http://localhost:8080/rest/api/2/issue/10008",
    "key": "NEW-3",
    "fields": {
      "updated": "2016-02-16T11:47:45.000-0800"
    }
  }
]
{
  "expand": "operations,versionedRepresentations,editmeta,changelog,transitions,renderedFields",
  "id": "10008",
  "self": "http://localhost:8080/rest/api/2/issue/10008",
  "key": "NEW-3",
  "fields": {
    "updated": "2016-02-16T11:47:45.000-0800"
  }
}
"operations,versionedRepresentations,editmeta,changelog,transitions,renderedFields"
"10008"
"http://localhost:8080/rest/api/2/issue/10008"
"NEW-3"
{
  "updated": "2016-02-16T11:47:45.000-0800"
}
"2016-02-16T11:47:45.000-0800"
cli-4544:reprosearchapi twong$ curl -v -H "Content-Type: application/json" -u admin:admin "http://localhost:8080/rest/api/2/issue/NEW-3?fields=updated"|jq .                                                                                                                                                               
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying ::1...
* Connected to localhost (::1) port 8080 (#0)
* Server auth using Basic with user 'admin'
> GET /rest/api/2/issue/NEW-3?fields=updated HTTP/1.1
> Host: localhost:8080
> Authorization: Basic YWRtaW46YWRtaW4=
> User-Agent: curl/7.43.0
> Accept: */*
> Content-Type: application/json
> 
< HTTP/1.1 200 OK
< Server: Apache-Coyote/1.1
< X-AREQUESTID: 977x1617x1
< X-ASEN: SEN-L7147545
< Set-Cookie: JSESSIONID=1D84B53485AF6E946A4CB726DFCC7FE5; Path=/; HttpOnly
< X-Seraph-LoginReason: OK
< Set-Cookie: atlassian.xsrf.token=BI3F-GHII-7I31-EZ4D|a89ef78e7000b99febfec6ec74d9662720e1b48e|lin; Path=/
< X-ASESSIONID: 1yqe20h
< X-AUSERNAME: admin
< Cache-Control: no-cache, no-store, no-transform
< X-Content-Type-Options: nosniff
< Content-Type: application/json;charset=UTF-8
< Transfer-Encoding: chunked
< Date: Tue, 23 Feb 2016 00:17:15 GMT
< 
{ [246 bytes data]
100   240    0   240    0     0   7502      0 --:--:-- --:--:-- --:--:--  7741
* Connection #0 to host localhost left intact
{
  "expand": "renderedFields,names,schema,transitions,operations,editmeta,changelog,versionedRepresentations",
  "id": "10008",
  "self": "http://localhost:8080/rest/api/2/issue/10008",
  "key": "NEW-3",
  "fields": {
    "updated": "2016-02-22T16:09:03.274-0800"
  }
}