Hi, I'd like to know what's linaro's pc setup for android cts?

I ask this question because in one of our pc, if run 3 cts together at the same time, after about 8 hours, some of job' log will hang at web. Check the server log, it looks the lava worker already sent the "END", while lava serer also sent the "END OK", also "description.yaml" received by server which means lava-run not crash. Just there is also one time's END resend, and the job/device still in running status for ever.

Looks the zeromq connection to lava-log down? I'm not sure (We still link the device to 2020.08, not sure 2021.03 which don't use zmq helps or not). And, the dmesg keeps tell `docker0: port 3(vethb545eb3) entered disabled state`, so I suspect high resource usage in this pc when test cts may result in some connection issue.

Our pc has 8G memory, Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz, 4 cores. What's your suggestion for pc configuration to run parallel cts jobs? Have your ever encountered similar issue? Thanks.