[Bug] fix ovs dpdk test

[John-Lin]

No description provided.

[codecov-io]

Codecov Report

Merging #188 into develop will increase coverage by 1.12%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #188      +/-   ##
===========================================
+ Coverage    77.83%   78.95%   +1.12%     
===========================================
  Files           45       45              
  Lines         2229     2229              
===========================================
+ Hits          1735     1760      +25     
+ Misses         392      364      -28     
- Partials       102      105       +3

Impacted Files	Coverage Δ
src/networkcontroller/network_controller.go	82.27% <0%> (+31.64%)	⬆️

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