[hotfix] Fix latency in transparent mode

[tamilmani1989]

Reason for Change:

1. updated routes
2. added static arp entry in container namespace for virtual gw ip

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests

Notes:

[tamilmani1989]

azp /run

[tamilmani1989]

run /azp

[neaggarwMS]

/azp run

[azure-pipelines]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

[matmerr]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #752 (63b46c8) into hotfix_12/14 (28207fc) will decrease coverage by 0.27%.
The diff coverage is 0.00%.

@@               Coverage Diff                @@
##           hotfix_12/14     #752      +/-   ##
================================================
- Coverage         39.06%   38.78%   -0.28%     
================================================
  Files                83       83              
  Lines             10713    10738      +25     
================================================
- Hits               4185     4165      -20     
- Misses             6022     6073      +51     
+ Partials            506      500       -6     

[neaggarwMS]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[chandanAggarwal]

[matmerr]

Related #751