combined filter criteria not working

Create an AE
Create 3 children 2 with lbl=key1, 1 with lbl=key1 AND key2
GET http://localhost:8282/InCSE1?fu=1&lbl=key1&lbl=key2 should return only 1 resource, returns 3
Use Attached postman to replicate

[
{
"m2m:cnt":

{ "ct": "20170316T182414", "st": 0, "ty": 3, "cbs": 0, "lbl": [ "key1" ], "ri": "0-d-1-0", "lt": "20170316T182414", "mni": 1, "pi": "0-b-1-0", "rn": "TestContainer2", "cni": 0 }

},
{
"m2m:cnt":

{ "ct": "20170316T182425", "st": 0, "ty": 3, "cbs": 0, "lbl": [ "key1" ], "ri": "0-f-1-0", "lt": "20170316T182425", "mni": 1, "pi": "0-b-1-0", "rn": "TestContainer4", "cni": 0 }

},
{
"m2m:cnt":

{ "ct": "20170316T182418", "st": 0, "ty": 3, "cbs": 0, "lbl": [ "key1", "key2" ], "ri": "0-e-1-0", "lt": "20170316T182418", "mni": 1, "pi": "0-b-1-0", "rn": "TestContainer3", "cni": 0 }

}
]