feat: add leave host to dfdaemon

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (3a05eb6) 51.93% compared to head (f67a584) 51.89%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3070      +/-   ##
==========================================
- Coverage   51.93%   51.89%   -0.05%     
==========================================
  Files         163      163              
  Lines       18558    18565       +7     
==========================================
- Hits         9639     9634       -5     
- Misses       8259     8268       +9     
- Partials      660      663       +3     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	51.89% <7.14%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
client/daemon/rpcserver/rpcserver.go	48.93% <20.00%> (-0.23%)	⬇️
pkg/cache/cache_mock.go	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes

[gaius-qi]

@yxxhero