Device网络不通报错retcode 4

-bash: hccn: command not found 
[rootenode-9 hccl_test]f hccn_tool -i0 -ip -s address *.*.*.* netmask_255.255.255.0
[root@node-9 hccl_test]f mpirun -f hostfile -n 16 ./bin/all_reduce_test -b 8K -e 64M -f 2 -d fp32 -o sum -p 8

Authorized users only. All activities may be monitored and reported. 
the minbytes is 8192,maxbytes is 67108864,iters is 20,warmup_iters is5
hccl interface return erreturn err./opbase_test/hccl_allreduce_rootinfo_test.cc:135,retcode:4
hccl_opbaseexecutefailed,Detailed logs are stored in path:/root/ascend/log/This is anerrorin opbase_test_by_data_size.
hccl interface return errreturn errd/opbase_test/hccl_allreduce_rootinfo_test.cc:135,retcode:4
hccl_op_base execute failed,Detailed logs are stored in path:/root/ascend/log/This is an error in opbase_test_by_data_size.
hccl interface return erreturn err./opbase_test/hccl_allreduce_rootinfo_test.cc:l35,retcode:0
hccl_op_base_execute failed, Detailed logs are stored in path:/root/ascend/log/This_is an_error in opbase_test_by_data_size.