Comment 0 for bug 1914668

https://www.openwall.com/lists/oss-security/2021/02/04/5

The following mainline patch is required for >= groovy:

[linux] c518adafa39f vsock: fix the race conditions in multi-transport support
[linux-5.10-y] 55d900415b81 vsock: fix the race conditions in multi-transport support