> [42.033200] node-11.acme.org recv node-10.acme.org 1000000.000000 # 2@task2_o2_3@task1
> [84.033200] node-11.acme.org send node-0.acme.org 4167312.000000 # 3@task1_o3_end
> [84.067138] node-0.acme.org recv node-11.acme.org 4167312.000000 # 3@task1_o3_end
> [42.033200] node-11.acme.org recv node-10.acme.org 1000000.000000 # 2@task2_o2_3@task1
> [84.033200] node-11.acme.org send node-0.acme.org 4167312.000000 # 3@task1_o3_end
> [84.067138] node-0.acme.org recv node-11.acme.org 4167312.000000 # 3@task1_o3_end