2 p latency check, 2 x 1 byte, same direction, shared link
4 $ simdag/network/p2p/test_latency2 simdag/network/p2p/platform_2p_1sl.xml --log=sd_kernel.thres=warning
7 p latency check, 2 x 1 byte, same direction, fat pipe
9 $ simdag/network/p2p/test_latency2 simdag/network/p2p/platform_2p_1fl.xml --log=sd_kernel.thres=warning
12 p latency check, 2 x 1 byte, same direction, link - switch - link
14 $ simdag/network/p2p/test_latency2 simdag/network/p2p/platform_2p_1switch.xml --log=sd_kernel.thres=warning