Error in adding interface to router

neutron --debug router-interface-add router1 subnet1

.....

DEBUG: keystoneauth.identity.v3.base Making authentication request to http://keystone.keystone.svc:35357/v3/auth/tokens
DEBUG: keystoneauth.identity.v3.base {"token": {"methods": ["password"], "roles": [{"id": "4ca8939dfe91430c8f0907068751a80f", "name": "admin"}], "expires_at": "201
6-10-20T21:07:54.957845Z", "project": {"domain": {"id": "5dc0142f951a40b98ebd19df19644921", "name": "default"}, "id": "9cbcca7f75de4d109861b26dabc6c51c", "name": "
admin"}, "catalog": [{"endpoints": [{"url": "http://keystone.keystone.svc:35357/v3", "interface": "admin", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "
3582a52fc72143d7b71600d8fd6c9007"}, {"url": "http://keystone.keystone.svc/v3", "interface": "public", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "6acef
ad9a34844099bca70221c6e76d3"}, {"url": "http://keystone.keystone.svc:5000/v3", "interface": "internal", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "beb
c0d0c200248d78880878d336086be"}], "type": "identity", "id": "00a265ede6cd4f069c451ad0930e7cf8", "name": "keystone"}, {"endpoints": [{"url": "http://glance.glance.s
vc:9292", "interface": "public", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "10bbe30699fd4458bef5d43af622f602"}, {"url": "http://glance.glance.svc:9292
", "interface": "admin", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "10cadf00ab254969b5ac80433a890d0d"}, {"url": "http://glance.glance.svc:9292", "inte
rface": "internal", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "9ef680ae7b0743cfbaa4ffaa70ac8f1d"}], "type": "image", "id": "39ed97d898494180bb1179e420
5f90d6", "name": "glance"}, {"endpoints": [{"url": "http://nova-controller.nova-controller.svc:8774/v2.1/9cbcca7f75de4d109861b26dabc6c51c", "interface": "internal"
, "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "07bc654cf74347beb05e129ada5e9fc7"}, {"url": "http://nova-controller.nova-controller.svc:8774/v2.1/9cbcca7
f75de4d109861b26dabc6c51c", "interface": "public", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "19b9143fb7984955890146fb6468796d"}, {"url": "http://nova
-controller.nova-controller.svc:8774/v2.1/9cbcca7f75de4d109861b26dabc6c51c", "interface": "admin", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "930de828
48e64d24a12f548faa588445"}], "type": "compute", "id": "5d118e666288454396cfb0748636b36f", "name": "nova"}, {"endpoints": [{"url": "http://neutron.neutron.svc:9696"
, "interface": "public", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "4d2bbd37caf74a85aa8f9293b32b57f6"}, {"url": "http://neutron.neutron.svc:9696", "in
terface": "internal", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "c4e079a7308d4d4b8c0abc9ae94058aa"}, {"url": "http://neutron.neutron.svc:9696", "inter
face": "admin", "region": "Spain_Mad", "region_id": "Spain_Mad", "id": "e592fcfe4a734972889a89bec658203d"}], "type": "network", "id": "8e12dd880ebf4a53987274a57790
56b8", "name": "neutron"}], "user": {"domain": {"id": "5dc0142f951a40b98ebd19df19644921", "name": "default"}, "id": "9fec3571c5184f268b22fb90e711ec40", "name": "ad
min"}, "audit_ids": ["_z7dgr2_S9Ce2qz8Ny-X4w"], "issued_at": "2016-10-20T20:07:54.000000Z"}}
DEBUG: keystoneauth.session REQ: curl -g -i -X GET http://neutron.neutron.svc:9696/v2.0/routers.json?fields=id&name=router1 -H "User-Agent: python-neutronclient" -
H "Accept: application/json" -H "X-Auth-Token: {SHA1}13696b61b303a96e8784149c3262bf3bcbfa94cd"
DEBUG: keystoneauth.session RESP: [200] Content-Type: application/json Content-Length: 61 X-Openstack-Request-Id: req-f5d0216d-7878-4491-b23a-3e063a17f870 Date: Th
u, 20 Oct 2016 20:08:09 GMT Connection: keep-alive
RESP BODY: {"routers": [{"id": "9ff2d5c1-1c98-4cb7-8e70-166775d66872"}]}

DEBUG: neutronclient.v2_0.client GET call to neutron for http://neutron.neutron.svc:9696/v2.0/routers.json?fields=id&name=router1 used request id req-f5d0216d-7878
-4491-b23a-3e063a17f870
DEBUG: keystoneauth.session REQ: curl -g -i -X GET http://neutron.neutron.svc:9696/v2.0/subnets.json?fields=id&name=subnet1 -H "User-Agent: python-neutronclient" -
H "Accept: application/json" -H "X-Auth-Token: {SHA1}13696b61b303a96e8784149c3262bf3bcbfa94cd"
DEBUG: keystoneauth.session RESP: [200] Content-Type: application/json Content-Length: 61 X-Openstack-Request-Id: req-29736c73-3ea5-46c1-9b95-3fcaac990f5d Date: Th
u, 20 Oct 2016 20:08:09 GMT Connection: keep-alive
RESP BODY: {"subnets": [{"id": "60f111c3-ded5-49dc-863f-32e9507a5ab3"}]}

DEBUG: neutronclient.v2_0.client GET call to neutron for http://neutron.neutron.svc:9696/v2.0/subnets.json?fields=id&name=subnet1 used request id req-29736c73-3ea5
-46c1-9b95-3fcaac990f5d
DEBUG: keystoneauth.session REQ: curl -g -i -X PUT http://neutron.neutron.svc:9696/v2.0/routers/9ff2d5c1-1c98-4cb7-8e70-166775d66872/add_router_interface.json -H "
User-Agent: python-neutronclient" -H "Content-Type: application/json" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}13696b61b303a96e8784149c3262bf3bcbfa94c
d" -d '{"subnet_id": "60f111c3-ded5-49dc-863f-32e9507a5ab3"}'
DEBUG: keystoneauth.session RESP: [500] Content-Type: application/json Content-Length: 118 X-Openstack-Request-Id: req-81250abb-9791-4935-89bf-f1fe6f814072 Date: T
hu, 20 Oct 2016 20:08:30 GMT Connection: keep-alive
RESP BODY: {"NeutronError": {"message": "Nuage API: Error in REST call to VSD: None", "type": "NuageAPIException", "detail": ""}}

DEBUG: neutronclient.v2_0.client Error message: {"NeutronError": {"message": "Nuage API: Error in REST call to VSD: None", "type": "NuageAPIException", "detail": "
"}}
DEBUG: neutronclient.v2_0.client PUT call to neutron for http://neutron.neutron.svc:9696/v2.0/routers/9ff2d5c1-1c98-4cb7-8e70-166775d66872/add_router_interface.jso
n used request id req-81250abb-9791-4935-89bf-f1fe6f814072
ERROR: neutronclient.shell Nuage API: Error in REST call to VSD: None
Neutron server returns request_ids: ['req-81250abb-9791-4935-89bf-f1fe6f814072']
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/neutronclient/shell.py", line 877, in run_subcommand
    return run_command(cmd, cmd_parser, sub_argv)