Why kernel is dropping frames?

Kernel is dropping packets At work, when we did setup prometheus alerting we started getting nofitications like this: description = is dropping frames at a rate of 0.10340541666666667 frames per sec To output this alert, prometheus-node-exporter reads /proc/net/softnet_stat filepath, which contains a line for every CPU. The 2nd column of each line counts dropped frames in hexadecimal. A nicer output can be provided if we query prometheus directly from within the host:
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