ERR syncd#dsserve: _ds2tty broken pipe. log issue

[Nostalgy101]

Description

When the device is started, an err log is reported. The log content is as follows: ERR syncd#dsserve: _ds2tty broken pipe.
After the device is started, everything is normal, no function problem is found, and no other abnormal logs are generated.

Steps to reproduce the issue:

There is an extremely low probability that this problem occurs when a device is restarted.

Describe the results you received:

Describe the results you expected:

I want to know what the dsserve process does and what this error log means.

Output of show version:

(paste your output here)

Output of show techsupport:

(paste your output here or download and attach the file here )

Additional information you deem important (e.g. issue happens only occasionally):

[ansrajpu-git]

@Nostalgy101, Not sure if this will help but we saw this error intermittently on qos test runs. We are currently ignoring it .
Test PR : sonic-net/sonic-mgmt#11942
These are the old issues ,you can take some reference
sonic-net/SONiC#155
sonic-net/SONiC#395

[tjchadaga]

@qiluo-msft - this part of the code is to be open-sourced. Please help triage once the code is available