Rewrite arch/bpf #7103

Job	Run time
CodeQL analysis	3m 9s
Build doc	3m 55s
pyca/cryptography test	23s
Code health check	1m 5s
Type hints check	25s
Check SPDX identifiers	5s
ubuntu-latest 3.7 non_root -K scanner	2m 21s
ubuntu-latest 3.8 non_root -K scanner	3m 25s
ubuntu-latest 3.9 non_root -K scanner	3m 53s
ubuntu-latest 3.10 non_root -K scanner	3m 55s
ubuntu-latest 3.11 non_root -K scanner	3m 54s
ubuntu-latest 3.12 non_root -K scanner	3m 54s
ubuntu-latest 3.12 root -K scanner	3m 53s
ubuntu-latest pypy3.9 root -K scanner	3m 58s
ubuntu-latest libpcap 3.12 root -K scanner	3m 54s
macos-14 3.12 both -K scanner	49s
ubuntu-latest 3.12 root -k scanner	3m 53s
ubuntu-latest pypy3.9 root -k scanner	3m 10s
macos-14 3.12 both -k scanner	1m 38s
	51m 39s

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