two changes stream working on the same time

[fengmk2]

[2016-07-01 15:22:07.232][29574] Get change: {"seq":2649615,"id":"memdb-server","changes":[{"rev":"27730-10f92a17ab4105ea19182ad5eb3f778c"}]}
[2016-07-01 15:22:07.233][29574] Get change: {"seq":2649615,"id":"memdb-server","changes":[{"rev":"27730-10f92a17ab4105ea19182ad5eb3f778c"}]}

[fengmk2]

[2016-07-01 01:35:41.286][29574] Get change: {"seq":2646545,"id":"ds-generate","changes":[{"rev":"4-c8cf65c0666f88a5fbec82fd7e92ca25"}]}
[2016-07-01 01:35:41.341][29574] Get change: {"seq":2646547,"id":"react-native-spotlight-search","changes":[{"rev":"1-8fb9bd80eb07ed92398475110920305a"}]}
[2016-07-01 01:35:52.549][29574] Get change: {"seq":2646549,"id":"generator-angular-app","changes":[{"rev":"13-17fb649bede06bfd1ecef77d497ead21"}]}
[2016-07-01 01:35:52.579][29574] Get change: {"seq":2646549,"id":"generator-angular-app","changes":[{"rev":"13-17fb649bede06bfd1ecef77d497ead21"}]}
[2016-07-01 01:36:22.210][29574] Get change: {"seq":2646551,"id":"dvcn","changes":[{"rev":"1-5ba1005bf8d1de5067cd834f1f1f7d25"}]}
[2016-07-01 01:36:22.230][29574] Get change: {"seq":2646551,"id":"dvcn","changes":[{"rev":"1-5ba1005bf8d1de5067cd834f1f1f7d25"}]}
[2016-07-01 01:36:22.302][29574] Get change: {"seq":2646552,"id":"notavirus","changes":[{"rev":"9-f40dfa6e1c59f14ab49a36e7342f06a7"}]}
[2016-07-01 01:36:22.329][29574] Get change: {"seq":2646552,"id":"notavirus","changes":[{"rev":"9-f40dfa6e1c59f14ab49a36e7342f06a7"}]}
[2016-07-01 01:36:38.748][29574] Get change: {"seq":2646553,"id":"url-io","changes":[{"rev":"7-c186774a39f592a1f831ae43a86673df"}]}
[2016-07-01 01:36:38.764][29574] Get change: {"seq":2646553,"id":"url-io","changes":[{"rev":"7-c186774a39f592a1f831ae43a86673df"}]}