Node adopt crashes when adopting a compute node

Environment:
devstack master senlin: 66a62021a14e6eccc7a25d57c8ef5d8467da638a

Feb 01 22:29:08 devstack senlin-api[13674]: snapshot=req.snapshot)
Feb 01 22:29:08 devstack senlin-api[13674]: File "/usr/local/lib/python2.7/dist-packages/osprofiler/profiler.py", line 159, in wrapper
Feb 01 22:29:08 devstack senlin-api[13674]: result = f(*args, **kwargs)
Feb 01 22:29:08 devstack senlin-api[13674]: File "/opt/stack/senlin/senlin/profiles/base.py", line 287, in adopt_node
Feb 01 22:29:08 devstack senlin-api[13674]: return profile.do_adopt(obj, overrides=overrides, snapshot=snapshot)
Feb 01 22:29:08 devstack senlin-api[13674]: File "/opt/stack/senlin/senlin/profiles/os/nova/server.py", line 1489, in do_adopt
Feb 01 22:29:08 devstack senlin-api[13674]: sg['name'] for sg in server.security_groups
Feb 01 22:29:08 devstack senlin-api[13674]: TypeError: 'NoneType' object is not iterable
Feb 01 22:29:08 devstack senlin-api[13674]:

Steps to create:
1) Create a compute node
2) Adopt a compute node

HTTP Stream:
POST /v1/nodes/adopt HTTP/1.1
Host: 10.0.0.121:8778
User-Agent: gophercloud/2.0.0
Connection: close
Content-Length: 216
Accept: application/json
Content-Type: application/json
Openstack-Api-Version: clustering 1.7
X-Auth-Token: gAAAAABcXIOAk5Snz5uVItdDtl8wNJeqW5zkrts68QEEBBr3sEAvHBIqI9PMVFa1DxFNtm5SQ8wRIucu2_5bWr0sTNeNfKnOJ65ybJD8uvvLVdp-qx816KXIu283Mp6RIu1Pzq1a6NxqA3BpU62CVeCwnAyIiOYDJBfs-bYuqfRSIRJkMJOX-yo
Accept-Encoding: gzip

{"identity":"d0969c5f-6e0f-4745-9a0c-4c202f7fbf50","metadata":{},"name":"TESTACC-KaHkAt30","overrides":{"flavor":"m1.tiny","image":"cirros-0.3.5-x86_64-disk"},"role":null,"snapshot":false,"type":"os.nova.server-1.0"}