Unique Device Identification in Syslog Messages

Syslog messages include the following unique string for the device:

Syslog messages relating to VoIP functionality are marked with "host"; those relating to Data Routing are marked with "DATA", for example:

12/12 12:46:40.921 : 10.8.5.70 : NOTICE  : host:  10.8.5.78 (sip_stack)(24)  Resource SIPMessage deleted - #267

11/24 08:14:09.311 : 10.3.2.100 : WARNING : DATA: Failed to set device eth0 netmask: Cannot assign requested address