msk-rs1/ipv4: show protocols all StackGroup

StackGroup BGP --- up 2020-01-12 Established

Description:    StackGroup/200044/AS-SG
  BGP state:          Established
    Neighbor address: 31.44.187.108
    Neighbor AS:      200044
    Local AS:         50817
    Neighbor ID:      89.249.16.248
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   31.44.187.100
    Hold timer:       57.300/90
    Keepalive timer:  16.949/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         47 imported, 0 filtered, 84773 exported, 43 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            605          0          3        281        321
      Import withdraws:           81          0        ---          6         78
      Export updates:        3898189        467         12        ---    3897710
      Export withdraws:      1612518        ---        ---        ---    1612649
    BGP Next hop:   31.44.187.100