sock.proto does not reflect actual protocol

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2016-08-20.16:21:59.357>
labels = ['extension-modules', 'type-bug', '3.9', '3.10', '3.11']
title = 'sock.proto does not reflect actual protocol'
updated_at = <Date 2021-10-21.11:59:38.772>
user = 'https://github.com/tiran'

bugs.python.org fields:

activity = <Date 2021-10-21.11:59:38.772>
actor = 'christian.heimes'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2016-08-20.16:21:59.357>
creator = 'christian.heimes'
dependencies = []
files = []
hgrepos = []
issue_num = 27816
keywords = []
message_count = 3.0
messages = ['273222', '273250', '404587']
nosy_count = 2.0
nosy_names = ['christian.heimes', 'martin.panter']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue27816'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']