3 mse | 20010 | -1 | 127.0.1.1:4560 # policy callback
4 mse | 30002 | -1 | 127.0.1.1:4560 # prediction callback
5 mse | 30003 | -1 | 127.0.1.1:4560 # ad callback
7 mse | 30004 | -1 | 127.0.1.1:4570 # ts callback
9 mse | 30000 | -1 | 127.0.1.1:4580 # prediction callback