traceoptions bfd and monitor traffic

Configuration:
set protocols bfd traceoptions file spineXbfd.log
set protocols bfd traceoptions file world-readable
set protocols bfd traceoptions flag all


look at the traceoptions file: 

show log spineXbfd.log
show log spineXbfd.log | last

to see the file or transfer it:
file list /var/log/spineXbfd.log detail

file show /var/log/spineXbfd.log

{master:0}
root@Spine2> show bfd session
                                                  Detect   Transmit
Address                  State     Interface      Time     Interval  Multiplier
10.1.23.2                Up        xe-0/0/0.0     1.050     0.350        3
10.1.24.2                Up        xe-0/0/1.0     1.050     0.350        3

2 sessions, 2 clients
Cumulative transmit rate 5.7 pps, cumulative receive rate 5.7 pps