msk-rs2/ipv4: show protocols all Maxnet

Maxnet BGP --- down 15:35:18.300

Description:    Maxnet/8636/AS-MAX
  BGP state:          Down
    Neighbor address: 31.44.187.111
    Neighbor AS:      8636
    Local AS:         50817
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable