00:06:05.999  ========== Backtrace start: ==========
00:06:05.999  
00:06:05.999  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1125 -> run_test(["json_config"],["/home/vagrant/spdk_repo/spdk/test/json_config/json_config.sh"])
00:06:05.999       ...
00:06:05.999     1120		timing_enter $test_name
00:06:05.999     1121		echo "************************************"
00:06:05.999     1122		echo "START TEST $test_name"
00:06:05.999     1123		echo "************************************"
00:06:05.999     1124		xtrace_restore
00:06:05.999     1125		time "$@"
00:06:05.999     1126		xtrace_disable
00:06:05.999     1127		echo "************************************"
00:06:05.999     1128		echo "END TEST $test_name"
00:06:05.999     1129		echo "************************************"
00:06:05.999     1130		timing_exit $test_name
00:06:05.999       ...
00:06:06.257  in /home/vagrant/spdk_repo/spdk/autotest.sh:172 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:06:06.257       ...
00:06:06.257     167 	
00:06:06.257     168 		run_test "env" $rootdir/test/env/env.sh
00:06:06.257     169 		run_test "rpc" $rootdir/test/rpc/rpc.sh
00:06:06.257     170 		run_test "skip_rpc" $rootdir/test/rpc/skip_rpc.sh
00:06:06.257     171 		run_test "rpc_client" $rootdir/test/rpc_client/rpc_client.sh
00:06:06.257  => 172 		run_test "json_config" $rootdir/test/json_config/json_config.sh
00:06:06.257     173 		run_test "json_config_extra_key" $rootdir/test/json_config/json_config_extra_key.sh
00:06:06.258     174 		run_test "alias_rpc" $rootdir/test/json_config/alias_rpc/alias_rpc.sh
00:06:06.258     175 	
00:06:06.258     176 		if [[ $SPDK_JSONRPC_GO_CLIENT -eq 0 ]]; then
00:06:06.258     177 			run_test "spdkcli_tcp" $rootdir/test/spdkcli/tcp.sh
00:06:06.258       ...
00:06:06.258  
00:06:06.258  ========== Backtrace end ==========