Create a kernel with specified custom ports

[jkitchin]

I am trying to start a jupyter kernel like this:

jupyter-kernel \
       --ip=0.0.0.0 \
       --KernelManager.control_port=56406 \
       --KernelManager.hb_port=56407 \
       --KernelManager.iopub_port=56408 \
       --KernelManager.shell_port=56409 \
       --KernelManager.stdin_port=56410

It starts, and I see this output:

[KernelApp] Starting kernel 'python3' [KernelApp] Connection file: /Users/jkitchin/Library/Jupyter/runtime/kernel-892382b5-8115-44ba-95cd-d8172ba848ac.json however, the kernel json contains:

cat /Users/jkitchin/Library/Jupyter/runtime/kernel-892382b5-8115-44ba-95cd-d8172ba848ac.json
{
  "shell_port": 55505,
  "iopub_port": 55506,
  "stdin_port": 55507,
  "control_port": 55509,
  "hb_port": 55508,
  "ip": "0.0.0.0",
  "key": "0a163fda-2b4963c994abc4277bdf58fa",
  "transport": "tcp",
  "signature_scheme": "hmac-sha256",
  "kernel_name": ""
}

which do not match the ports I specified. Am I missing something to make this happen?