spb-rs2/ipv4: show protocols all SovTel

SovTel BGP --- start 00:58:29.203 Active Socket: Connection closed

Description:    SovTel/42097/AS-SOVTEL
  BGP state:          Active
    Neighbor address: 31.44.186.62
    Neighbor AS:      42097
    Connect delay:    0.322/5
    Last error:       Socket: Connection closed
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable