msk-rs2/ipv4: show protocols all convex

convex BGP --- start 2021-01-10 Passive

Description:    convex/209307/AS-CNX-EKB
  BGP state:          Passive
    Neighbor address: 185.1.160.170
    Neighbor AS:      209307
    Local AS:         49869
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable