<187>7488: 10.1.234.254: Jul 27 04:15:00.153: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/38, changed state to up
This is a syslog message from a product called Cisco Network Operating System by Cisco. The following fields were extracted from the message:
fieldExtractorName: cisco_os
messageType: management_message
ruleCategory: link
ruleName: updown
senderHost: 10.1.234.254
sensitivity: normal
severityCode: 3
severityLabel: error
sourceInfo: unknown
streamName: cisco_os
tags: ['cisco_os', 'management_message']