msk-rs2/ipv4: show protocols all stackgroup

stackgroup BGP --- up 2021-01-19 Established

Description:    stackgroup/200044/AS-SG
  BGP state:          Established
    Neighbor address: 185.1.160.108
    Neighbor AS:      200044
    Local AS:         49869
    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:   185.1.161.0
    Hold timer:       62.194/90
    Keepalive timer:  13.462/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         39 imported, 0 filtered, 101847 exported, 34 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            159          0          0        117         42
      Import withdraws:            2          0        ---          0          2
      Export updates:         522794        146         13        ---     522635
      Export withdraws:       113465        ---        ---        ---     113544
    BGP Next hop:   185.1.161.0