Restore sndrcv behaviour from before 53afe84 #7182

Job	Run time
Check SPDX identifiers	4s
Type hints check	28s
Code health check	1m 7s
CodeQL analysis	3m 21s
pyca/cryptography test	25s
Build doc	6m 1s
ubuntu-latest 3.7 non_root -K scanner	3m 39s
ubuntu-latest 3.8 non_root -K scanner	4m 4s
ubuntu-latest 3.9 non_root -K scanner	3m 56s
ubuntu-latest 3.10 non_root -K scanner	3m 53s
ubuntu-latest 3.11 non_root -K scanner	3m 29s
ubuntu-latest 3.12 non_root -K scanner	4m 5s
ubuntu-latest 3.12 root -K scanner	5m 4s
ubuntu-latest pypy3.9 root -K scanner	3m 6s
ubuntu-latest libpcap 3.12 root -K scanner	5m 2s
macos-14 3.12 both -K scanner	12m 55s
ubuntu-latest 3.12 root -k scanner	9m 16s
ubuntu-latest pypy3.9 root -k scanner	8m 7s
macos-14 3.12 both -k scanner	16m 12s
	1h 34m 14s

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