I see the following messages on the production  server, any special log setting requirement or is our stunnel  generating too many messages too fast?

Jun 25 06:13:35 pprccmfaap001 rsyslogd-2177: imuxsock begins to drop messages from pid 171059 due to rate-limiting

Jun 25 06:15:34 pprccmfaap001 rsyslogd-2177: imuxsock lost 47 messages from pid 171059 due to rate-limiting

Jun 25 06:15:36 pprccmfaap001 rsyslogd-2177: imuxsock begins to drop messages from pid 171059 due to rate-limiting