rc/ipv4: show route primary protocol pb_as3280_vli3_ipv4

show route primary protocol pb_as3280_vli3_ipv4

Table master4:
194.31.140.0/24      unicast [pb_as3280_vli3_ipv4 2021-01-16 18:56:26] * (100) [AS3280i]
	via 185.1.179.3 on ens19