Copy args-server-tcp4.pl to args-server-tcp6.pl.
Send TCP messages to an IPv6 server.
Copy args-server-tcp4.pl to args-server-tcp-sendback.pl.
Check that syslogd writes a debug message about the message sent back.
Copy args-server-tcp-sendback.pl to args-server-tcp-close.pl.
Check that syslogd writes a log message about the server close.
Fix test description.
Check that syslogd writes a log message about the server error.
Fix test description.
Add commas in args hash.