Traffic log enhancement

Junos os supports below enhancements in traffic log:

• Escape in stream log forwarding and on-box reporting to avoid parsing errors. Stream mode supports escape in sd-syslog and binary format. Event mode supports escape only in binary format.
• Different security log transport options for different streams.
• Stream-event mode.
• Increased maximum length of the stream mode sd-syslog format syslog message to 4*1472 bytes.
• Different source addresses for different streams.
• Year and millisecond in timestamps.