Security issue notifications

Problem:

We noticed that our max_total_test is consistently failing on AL2 X86_64 Kernel 5.10 machine. Turns out that our current way of calculation doesn't work for that machine:

I found out the maximum payload size for that machine needs to include the 40 bytes IPV6 _HEADER_LEN. We do not know the exact reason behind such failure.

Need By Date:

N/A

Solution:

Figure out the reason of such failure and reconfigure the constant. For now, we make the constant more conservative by including the IPV6_HEADER_LEN in the calculation in #2727.

Requirements / Acceptance Criteria:

We should have the absolute maximum payload size for every platforms.

Out of scope: