log message was removed from syslog-error-list because syslog_error_list becomed full. aa....aa

The oldest message will be deleted from the syslog error list, allowing a new output message to be registered to the syslog error list.
A syslog error list is a memory queue in which messages that could not be output to the syslog are stored until message output is retried.

aa....aa: Message to be deleted