[3.11] gh-145548: Use VMADDR_CID_LOCAL in VSOCK socket tests (GH-145589) (GH-145809) (#148616)
[3.12] gh-145548: Use VMADDR_CID_LOCAL in VSOCK socket tests (GH-145589) (GH-145809)
* [3.12] gh-145548: Use VMADDR_CID_LOCAL in VSOCK socket tests (GH-145589) (GH-145594)
Prefer VMADDR_CID_LOCAL instead of VMADDR_CID_ANY for bind() in the
server. Skip the test if bind() fails with EADDRNOTAVAIL.
Log vsock CID in test.pythoninfo.
(cherry picked from commit 6c8c72f7feb4207c62ac857443943e61977d6a94)
(cherry picked from commit 16dbbe5)
* [3.13] gh-145548: Don't use VMADDR_CID_LOCAL from `socket` (GH-145735)
VMADDR_CID_LOCAL was added to `socekt` in 3.14. The test needs a
local constant in setUp(), as in clientSetUp().
(cherry picked from commit e378eda980ff786eb2211738aac0b6f76da88f91)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>