rix-rs2/ipv4: show protocols all Foton

Foton BGP --- down 17:04:21.440 Automatic shutdown: Route limit exceeded

Description:    Foton/42861/AS-FOTONTELECOM
  BGP state:          Down
    Neighbor address: 193.27.39.14
    Neighbor AS:      42861
    Local AS:         49634
    Last error:       Automatic shutdown: Route limit exceeded
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500 [HIT]
      Action:       disable