00:09:37.645  ========== Backtrace start: ==========
00:09:37.645  
00:09:37.645  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"])
00:09:37.645       ...
00:09:37.645     1120		timing_enter $test_name
00:09:37.645     1121		echo "************************************"
00:09:37.645     1122		echo "START TEST $test_name"
00:09:37.645     1123		echo "************************************"
00:09:37.645     1124		xtrace_restore
00:09:37.645     1125		time "$@"
00:09:37.645     1126		xtrace_disable
00:09:37.645     1127		echo "************************************"
00:09:37.645     1128		echo "END TEST $test_name"
00:09:37.645     1129		echo "************************************"
00:09:37.645     1130		timing_exit $test_name
00:09:37.645       ...
00:09:37.645  in /home/vagrant/spdk_repo/spdk/autotest.sh:159 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:09:37.645       ...
00:09:37.645     154 	
00:09:37.645     155 		run_test "env" $rootdir/test/env/env.sh
00:09:37.645     156 		run_test "rpc" $rootdir/test/rpc/rpc.sh
00:09:37.645     157 		run_test "skip_rpc" $rootdir/test/rpc/skip_rpc.sh
00:09:37.645     158 		run_test "rpc_client" $rootdir/test/rpc_client/rpc_client.sh
00:09:37.645  => 159 		run_test "json_config" $rootdir/test/json_config/json_config.sh
00:09:37.645     160 		run_test "json_config_extra_key" $rootdir/test/json_config/json_config_extra_key.sh
00:09:37.645     161 		run_test "alias_rpc" $rootdir/test/json_config/alias_rpc/alias_rpc.sh
00:09:37.645     162 	
00:09:37.645     163 		if [[ $SPDK_JSONRPC_GO_CLIENT -eq 0 ]]; then
00:09:37.645     164 			run_test "spdkcli_tcp" $rootdir/test/spdkcli/tcp.sh
00:09:37.645       ...
00:09:37.645  
00:09:37.645  ========== Backtrace end ==========