>>> [CLI] selftest send-telemetry --debug
HH:MM:SS Info: start pid=PID version=[DEV_VERSION] args="[CLI], selftest, send-telemetry, --debug"
HH:MM:SS Info: completed execution pid=PID exit_code=0
HH:MM:SS Debug: POST /telemetry-ext
> {
>   "items": null,
>   "protoLogs": [
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)",
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)"
>   ],
>   "uploadTime": "UNIX_TIME_MILLIS"
> }
< HTTP/1.1 501 Not Implemented
< {
<   "error_code": "ERROR_CODE",
<   "message": "Endpoint not implemented."
< } pid=PID sdk=true
HH:MM:SS Debug: non-retriable error: Endpoint not implemented. pid=PID sdk=true
HH:MM:SS Debug: Attempt 1 failed due to a server side error. Retrying status code: 501
 pid=PID
HH:MM:SS Debug: POST /telemetry-ext
> {
>   "items": null,
>   "protoLogs": [
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)",
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)"
>   ],
>   "uploadTime": "UNIX_TIME_MILLIS"
> }
< HTTP/1.1 501 Not Implemented
< {
<   "error_code": "ERROR_CODE",
<   "message": "Endpoint not implemented."
< } pid=PID sdk=true
HH:MM:SS Debug: non-retriable error: Endpoint not implemented. pid=PID sdk=true
HH:MM:SS Debug: Attempt 2 failed due to a server side error. Retrying status code: 501
 pid=PID
HH:MM:SS Debug: POST /telemetry-ext
> {
>   "items": null,
>   "protoLogs": [
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)",
>     "{\"frontend_log_event_id\":\"[UUID]\",\"entry\":{\"databricks_cli_log\":{\"... (210 more bytes)"
>   ],
>   "uploadTime": "UNIX_TIME_MILLIS"
> }
< HTTP/1.1 501 Not Implemented
< {
<   "error_code": "ERROR_CODE",
<   "message": "Endpoint not implemented."
< } pid=PID sdk=true
HH:MM:SS Debug: non-retriable error: Endpoint not implemented. pid=PID sdk=true
HH:MM:SS Debug: Attempt 3 failed due to a server side error. Retrying status code: 501
 pid=PID
HH:MM:SS Debug: failed to upload telemetry: failed to upload telemetry logs after three attempts pid=PID