Unable to capture traffic on TCPdump :

[Jpgig]

I have turned off SHM as the default transport can still not see data traffic using TCPDump.

Below is the screenshot for the communication :

[Jpgig]

I am able to capture the traffic for both nodes running on the same machine:
I pass the DSHM_TRANSPORT_DEFAULT=OFF argument to the CMake command and it worked.