[ACS4.3][Patch Request] CLOUDSTACK-5967 GRE tunnel creation is failing

[Murali Reddy]

Animesh,

Can you please cherry-pick the commit in 4.3-forward into 4.3 branch for the 
bug CLOUDSTACK-5967.

Branch: refs/heads/4.3-forward
Commit: 2e004878b1da0f7fb5ec12e77babbb626e96c1ef
Parents: 09e27fd
Author: Murali Reddy <muralimmre...@gmail.com<mailto:muralimmre...@gmail.com>>