tll-rs2/ipv4: show protocols all megasvyaz

megasvyaz BGP --- down 15:31:27.958

Description:    megasvyaz/34602/AS-STARLNK
  BGP state:          Down
    Neighbor address: 37.9.49.98
    Neighbor AS:      34602
    Local AS:         57936
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable