[syslog-ng] rabbitmq errors

I'm seeing an error in my log indicating that messages aren't being sent to a queue in RabbitMQ. This happens a few times a week. Here's the error: Nov 24 13:29:28 syslog09 syslog-ng[7883]: Network error while inserting into AMQP server; time_reopen='10' I have about 1000 servers sending tcp messages through a call to /dev/tcp to port on the syslog-ng server. It seems messages aren't sent to the queue for about 1 or 2 minutes, and then it resumes sending again without error. Could this be a network issue or something within syslog-ng that's limiting the messages?