Memory profiling not working

The CPU brightscript profiling is working- I can see the threads live. But when I add in memory profiling, I get "Can not establish connection to xxxxxxxx:8080 (Timeout or might be in use).", and the roku device restarts. I have tried two ways: the manifest approach, and the profiler web tool approach. With manifest, I use:

# Brightscript profiling options

bsprof_enable=1

bsprof_enable_mem=1

bsprof_data_dest=network

 

With the web tool, I select as follows in screenshot: