rs1/ipv4: show protocols all pb_4_pronet_as35505_2

pb_4_pronet_as35505_2 BGP --- start 2019-01-21 Connect Socket: No route to host

Description:    Pronet 2
  BGP state:          Connect
    Neighbor address:
    Neighbor AS:      35505
    Last error:       Socket: No route to host
  Channel ipv4
    State:          DOWN
    Table:          t_4_pronet_as35505_2
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   20
      Action:       restart