rc/ipv4: show protocols all pb_as51072_vli43_ipv4

pb_as51072_vli43_ipv4 BGP --- start 2021-11-01 15:35:09 Active Socket: No route to host

Description:    AS51072 - AVERTUE International SRL
  BGP state:          Active
    Neighbor address:
    Neighbor AS:      51072
    Local AS:         60113
    Connect delay:    3.073/5
    Last error:       Socket: No route to host
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  REJECT