Can someone help me?
```
Failed to delete group with name or ID 'c4b8fb21-8109-4066-af32-51a23c43fda4': Unable to delete SecurityGroup for openstack.network.v2.security_group.SecurityGroup(description=kubernetes master security group, tenant_id=074ab170549e4620a0c3ebabdec83fb6, created_at=2018-08-29T23:56:03Z, updated_at=2018-08-29T23:56:07Z, security_group_rules=[{u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 10250, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 10250, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'0a269512-5cc8-412d-96f8-92aa516a543a'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'udp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 53, u'updated_at': u'2018-08-29T23:56:05Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 53, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:05Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'0df0dcd1-66a8-43d9-8767-54b64c77d0af'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 6784, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 6784, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'1c9cd8c3-8bae-4d2d-8625-9b5e235a097c'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 8000, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 8000, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'1fd6a139-693f-4e13-ae4e-e309f09f2891'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 4789, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 4789, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'2370c56c-8421-41e9-8f1d-938a8a863e37'}, {u'remote_group_id': None, u'direction': u'egress', u'protocol': None, u'description': None, u'tags': [], u'ethertype': u'IPv6', u'remote_ip_prefix': None, u'port_range_max': None, u'updated_at': u'2018-08-29T23:56:03Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': None, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:03Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'2b3e9ec0-3ca7-4801-8f30-77adbc1cc5b7'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 4001, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 4001, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'42e60b6c-66df-4fdf-b2da-8fc5ffdeb9b2'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 8080, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 8080, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'502773b9-9cc8-4148-92a0-29394ae5eb51'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 2379, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 2379, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'509a3208-cbfd-44da-bd29-b9e4248cbf14'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 80, u'updated_at': u'2018-08-29T23:56:05Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 80, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:05Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'5493018a-7ab3-45fb-ac45-52fb6eb386a4'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 443, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 443, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'5b73b59d-3231-488e-9662-bab131fc5003'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 9090, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 9090, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'6bccdf50-8b72-4098-ab83-f939a02bad73'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 40000, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 30000, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'adb7883f-b758-4a81-954a-32b16e1f2b01'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'udp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 6784, u'updated_at': u'2018-08-29T23:56:07Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 6784, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:07Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'b25a1f28-52bd-48bb-8732-4d77751fe512'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 53, u'updated_at': u'2018-08-29T23:56:05Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 53, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:05Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'baf2e95c-9fb3-41cb-9148-ade180fc3b43'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 22, u'updated_at': u'2018-08-29T23:56:05Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 22, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:05Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'cd19a4ec-1afa-4898-b2c9-0e2d60603e5c'}, {u'remote_group_id': None, u'direction': u'egress', u'protocol': None, u'description': None, u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': None, u'port_range_max': None, u'updated_at': u'2018-08-29T23:56:03Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': None, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:03Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'd2174eda-fcd1-41e3-a9ae-f75ca1b83da2'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 6783, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 6783, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'dee17980-0160-4db5-b23d-357ad1174c1a'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'tcp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 6443, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 6443, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'e6b2a1ff-b8a7-4256-9395-e1b94918f8f8'}, {u'remote_group_id': None, u'direction': u'ingress', u'protocol': u'udp', u'description': u'', u'tags': [], u'ethertype': u'IPv4', u'remote_ip_prefix': u'0.0.0.0/0', u'port_range_max': 6783, u'updated_at': u'2018-08-29T23:56:06Z', u'security_group_id': u'c4b8fb21-8109-4066-af32-51a23c43fda4', u'port_range_min': 6783, u'revision_number': 0, u'tenant_id': u'074ab170549e4620a0c3ebabdec83fb6', u'created_at': u'2018-08-29T23:56:06Z', u'project_id': u'074ab170549e4620a0c3ebabdec83fb6', u'id': u'efcd377e-5fb6-4a20-b401-e1def08b9a58'}], revision_number=20, id=c4b8fb21-8109-4066-af32-51a23c43fda4, name=kubernetes_security_group)
1 of 1 groups failed to delete.
```
