rs1/ipv4: show route primary protocol pb_0003_as3280

show route primary protocol pb_0003_as3280

Table t_0003_as3280:
172.82.90.0/24       unicast [pb_0003_as3280 2021-08-05 08:18:04] * (100) [AS3280i]
	via 185.1.179.3 on ens19