3a- Add NFX

1- log into the JCP junos0:    

https://www.juniper.net/documentation/en_US/junos/topics/task/operational/jdm-access-host-os-jcp.html

2- Get the serial number:  DD3317AF0352

3- Copy the Configlet

The serial number can be obtained from the JCP (ssh vjunos0) using show chassis hardware.