Defining UCX for scheduler fails to build cluster on UCX

[quasiben]

(cudf-dev) bzaitlen@dgx15:~$ dask-scheduler --protocol ucx --port 51467
distributed.scheduler - INFO - -----------------------------------------------
distributed.scheduler - INFO - Local Directory:    /tmp/scheduler-v_s6vwy0
distributed.scheduler - INFO - -----------------------------------------------
distributed.scheduler - INFO - Clear task state
/home/nfs/bzaitlen/GitRepos/distributed/distributed/dashboard/core.py:74: UserWarning:
Port 8787 is already in use.
Perhaps you already have a cluster running?
Hosting the diagnostics dashboard on a random port instead.
  warnings.warn("\n" + msg)
distributed.scheduler - INFO -   Scheduler at: tcp://10.33.227.165:51467
distributed.scheduler - INFO -   dashboard at:                    :46243

Scheduler should live at ucx://

[quasiben]

With --host things work as expected:

(cudf-dev) bzaitlen@dgx15:~$ dask-scheduler --protocol ucx  --host ucx://10.33.225.165:42841
distributed.scheduler - INFO - -----------------------------------------------
distributed.scheduler - INFO - Local Directory:    /tmp/scheduler-l_rxqx8s
distributed.scheduler - INFO - -----------------------------------------------
distributed.scheduler - INFO - Clear task state
/home/nfs/bzaitlen/GitRepos/distributed/distributed/dashboard/core.py:74: UserWarning:
Port 8787 is already in use.
Perhaps you already have a cluster running?
Hosting the diagnostics dashboard on a random port instead.
  warnings.warn("\n" + msg)
distributed.scheduler - INFO -   Scheduler at: ucx://10.33.225.165:42841
distributed.scheduler - INFO -   dashboard at:       10.33.225.165:46512