No buffer space available, unable to perform operation on socket due to insufficient system buffer or queue full

Netstat-nat | Find ""/C View the number of connections is more than 2000, how to report the following error

reported the following error: (ie open the site also can not open)

No buffer space available (curl error),

The operation on the socket cannot be performed due to insufficient system buffer space or the queue is full

Name limit beyond the local computer network adapter card

Restart the Workstation service, modify the MaxUserPort value, modify the TcpTimedWaitDelay value these do not function

https://support.microsoft.com/zh-cn/kb/196271

This is actually a bug in Windows:

A kernel socket leak on a multiprocessor computer that is running Windows Server R2 or Windows 7

https://support.microsoft.com/zh-cn/kb/2577795

Patch: KB2577795 (WINDOWS6.1-KB2577795-X64.MSU)

No buffer space available, unable to perform operation on socket due to insufficient system buffer or queue full