[Bug 275769] solisten_clone fail message

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275769

            Bug ID: 275769
           Summary: solisten_clone fail message
           Product: Base System
           Version: 14.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: judah.levine@colorado.edu

There are many messages like this:

Dec 14 18:16:38 time-d-wwv kernel: solisten_clone: pcb 0x41fb2c00: soreserve()
failed

The system is a Dell R340 server running V14.0 built from sources. I see the
same meessage on other identical systems running the same software.

The application that is causing the problem is probably the time service
connection to tcp ports 13 and 37.

The netstat -a -n shows about 25000+ connections to these ports in various
states.
The systems will a smaller number of connections do not show this error.

The socket is used by several parallel copies of the time service and was
created with:
if( (setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(yes)) !=0) ||
            (setsockopt(sock,SOL_SOCKET,SO_KEEPALIVE,&yes,sizeof(yes)) !=0) ||
            (setsockopt(sock,SOL_SOCKET,SO_SNDTIMEO,&sss,sizeof(sss))  !=0) ||
            (setsockopt(sock,SOL_SOCKET,SO_RCVTIMEO,&sss,sizeof(sss))  !=0) )

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