Change log for EXTREME_SWITCH

Date	Changes
2025-09-01	Enhancement: - `event.idm.read_only_udm.principal.hostname`: Newly mapped `host` raw log field(s) with event.idm.read_only_udm.principal.hostname UDM field. - `event.idm.read_only_udm.principal.asset.hostname`: Newly mapped `host` raw log field(s) with event.idm.read_only_udm.principal.asset.hostname UDM field. - `event.idm.read_only_udm.principal.ip`: Newly mapped `src_ip` raw log field(s) with event.idm.read_only_udm.principal.ip UDM field. - `event.idm.read_only_udm.principal.asset.ip`: Newly mapped `src_ip` raw log field(s) with event.idm.read_only_udm.principal.asset.ip UDM field. - `event.idm.read_only_udm.principal.mac`: Newly mapped `client_mac` raw log field(s) with event.idm.read_only_udm.principal.mac UDM field. - `event.idm.read_only_udm.principal.asset.mac`: Newly mapped `client_mac` raw log field(s) with event.idm.read_only_udm.principal.asset.mac UDM field. - `event.idm.read_only_udm.target.ip`: Newly mapped `dst_ip` raw log field(s) with event.idm.read_only_udm.target.ip UDM field. - `event.idm.read_only_udm.target.asset.ip`: Newly mapped `dst_ip` raw log field(s) with event.idm.read_only_udm.target.asset.ip UDM field. - `event.idm.read_only_udm.network.dhcp.chaddr`: Newly mapped `client_mac` raw log field(s) with event.idm.read_only_udm.network.dhcp.chaddr UDM field. - `event.idm.read_only_udm.network.dhcp.giaddr`: Newly mapped `gateway_ip` raw log field(s) with event.idm.read_only_udm.network.dhcp.giaddr UDM field. - `event.idm.read_only_udm.security_result.summary`: Newly mapped `summary` raw log field(s) with event.idm.read_only_udm.security_result.summary UDM field. - `event.idm.read_only_udm.additional.fields`: Newly mapped `vlan_name`, `Port`, `slot`, `packet_type` raw log field(s) with event.idm.read_only_udm.additional.fields UDM field. - `event.idm.read_only_udm.metadata.event_type`: If `has_principal` is `true`, `has_target` is `true`, `has_network_dhcp` is `true`, updated to `NETWORK_DHCP`. - Added new Grok patterns to parse DHCP-related log messages.
2023-12-19	Enhancement: - Added a new Grok pattern to support new type of SYSLOG logs. - Added new Grok patterns to parse "description". - Mapped "protocol", "VrId", "SlppRxVlan", "SlppIncomingVlanId", "Type", "Cause" to "additional.fields". - Mapped "session_id" to "network.session_id" - Mapped "SlppSrcMacAddress" to "principal.mac". - Mapped "intermediary_ip" to "intermediary.ip. - Mapped "ver" to "metadata.version". - Mapped "rcPortVLacpAdminEnable", "rcSyslogHostMapFatalSeverity", "rcSyslogHostMapWarningSeverity", "rcSyslogHostRowStatus", "rcSyslogHostFacility", "rcSyslogHostAddressType", "rcSyslogHostMapErrorSeverity", "rcSyslogHostMapInfoSeverity", "rcSyslogHostSeverity", "rcSyslogHostEnable" to "security_result.detection_fields". - Mapped "port" to "principal.port". - Mapped "rcSyslogHostAddress" to "principal.hostname".
2023-12-11	- Newly created parser.