msk-rs1/ipv4: show protocols all nwlink

nwlink BGP --- start 2020-06-17 Passive

Description:    nwlink/42893/AS42893
  BGP state:          Passive
    Neighbor address: 185.1.160.236
    Neighbor AS:      42893
    Local AS:         49869
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable