spb-rs2/ipv4: show protocols all rosintek

rosintek BGP --- start 2021-11-02 Passive

Description:    rosintek/57456/AS57456
  BGP state:          Passive
    Neighbor address: 185.1.153.124
    Neighbor AS:      57456
    Local AS:         50817
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable