Merak-network: apply scenario action on network for check info got error

[cj-chung]

Issue scenario action on network for "CHECK" (info) got the following error:

{"Service":"scenario-manager","level":"info","msg":"constructNetConfMessage: config:{format_version:1  revision_number:1  request_id:\"312f3824ee0843f5824abfdcd48af71e\"  netconfig_id:\"e6b7e72ac496490e8e4d9127798ec802\"  network:{id:\"e6b7e72ac496490e8e4d9127798ec802\"  name:\"network-config-1\"  number_of_vpcs:1  number_of_subnet_per_vpc:1  vpcs:{tenant_id:\"123456789\"  project_id:\"123456789\"  subnets:{subnet_cidr:\"10.0.1.0/20\"  subnet_gw:\"10.0.1.1\"  number_vms:100}}  number_of_security_groups:1  routers:{name:\"string\"  subnets:\"string\"}  gateways:{name:\"string\"  ips:\"string\"}  security_groups:{name:\"sg-1\"  rules:{name:\"string\"  description:\"string\"  ethertype:\"string\"  protocol:\"string\"  port_range:\"string\"  remote_group_id:\"string\"  remote_ip_prefix:\"string\"}  apply_to:\"string\"}}}","time":"2022-08-20T00:16:01Z"}
{"Service":"scenario-manager","level":"error","msg":"Error when calling Merak-Network: rpc error: code = Unknown desc = redis: nil","time":"2022-08-20T00:16:01Z"}
{"Service":"scenario-manager","level":"error","msg":"error return from grpc server: error when calling merak-network grpc server: rpc error: code = Unknown desc = redis: nil","time":"2022-08-20T00:16:01Z"}
{"Service":"scenario-manager","level":"error","msg":"'CHECK' network failed: deploy network failed, Error = 'error return from grpc server: error when calling merak-network grpc server: rpc error: code = Unknown desc = redis: nil'","time":"2022-08-20T00:16:01Z"}