After spinning up a pool of t2.small servers and running some load tests, it became clear I was severely under-powered. Easy enough, I shut down an instance, changed to an m5.large, and started it up again. As usual I opened up a ping to the machine so I could see the second it came back online.
OK this isn’t right.
What happened? Turns out, Amazon has a special network driver in the form of a kernel module.
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