rc/ipv4: show route primary protocol pb_as3280_vli3_ipv4

show route primary protocol pb_as3280_vli3_ipv4

Table master4:
172.82.90.0/24       unicast [pb_as3280_vli3_ipv4 2021-08-05 08:18:04] * (100) [AS3280i]
	via 185.1.179.3 on ens19