Modify some freebsd tcp stack argument(maxtcptw, finwait2_timeout), to improve test performance, and adjust the value according to actual needs when APP using it.

net.inet.tcp.finwait2_timeout=5000
net.inet.tcp.maxtcptw=128

Author: jfb8856606

config.ini

@@ -282,6 +282,8 @@ net.add_addr_allfibs=1
 net.link.ether.inet.maxhold=5
 
 net.inet.tcp.fast_finwait2_recycle=1
+net.inet.tcp.finwait2_timeout=5000
+net.inet.tcp.maxtcptw=128
 net.inet.tcp.sendspace=16384
 net.inet.tcp.recvspace=8192
 #net.inet.tcp.nolocaltimewait=1