spb-rs1/ipv4: show protocols all mline

mline BGP --- up 2020-06-27 Established

Description:    mline/48558/AS48558
  BGP state:          Established
    Neighbor address: 185.1.152.240
    Neighbor AS:      48558
    Neighbor ID:      37.230.206.250
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
    Session:          external route-server AS4
    Source address:   185.1.152.255
    Hold timer:       143.050/180
    Keepalive timer:  52.323/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         1 imported, 0 filtered, 90788 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              1          0          0          0          1
      Import withdraws:            0          0        ---          0          0
      Export updates:         685070          2          0        ---     685068
      Export withdraws:       379594        ---        ---        ---     379594
    BGP Next hop:   185.1.152.255