socket module sometimes loses response packets

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-02-27.17:11:41.367>
labels = ['type-bug', 'library']
title = 'socket module sometimes loses response packets'
updated_at = <Date 2017-02-27.17:11:41.367>
user = 'https://github.com/bkline'

bugs.python.org fields:

activity = <Date 2017-02-27.17:11:41.367>
actor = 'bkline'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-02-27.17:11:41.367>
creator = 'bkline'
dependencies = []
files = []
hgrepos = []
issue_num = 29667
keywords = []
message_count = 1.0
messages = ['288648']
nosy_count = 1.0
nosy_names = ['bkline']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue29667'
versions = ['Python 2.7', 'Python 3.6']