rc/ipv4: show protocols all pb_as43377_vli12_ipv4

pb_as43377_vli12_ipv4 BGP --- start 2020-10-18 18:00:14 Active Socket: No route to host

Description:    AS43377 - RO-CIX
  BGP state:          Active
    Neighbor address:
    Neighbor AS:      43377
    Local AS:         60113
    Connect delay:    1.747/5
    Last error:       Socket: No route to host
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  REJECT