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Recall the host config is VSWITCH_VHOST_CPU_MAP = [4,5,8,11] and here PROX observed interrupts on NUMA 0 cores 2, 7, 14, 16, 17 (many!) 17 and 18 in the 10-50usec range. The data plane measurements indicate one second with 45 frame losses (see the very bottom of the figure). Message logging on Nodes 4 and 5 indicated nothing during the 60 sec iPerf3 test. Below we see an except of the iPerf3 output from the Server, showing the single second with 45 packet losses.
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