msk-rs2/ipv4: show protocols all beltelecom

beltelecom BGP --- down 2021-01-19

Description:    beltelecom/6697/AS-BELPAK
  BGP state:          Down
    Neighbor address: 185.1.160.134
    Neighbor AS:      6697
    Local AS:         49869
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable