msk-rs2/ipv4: show protocols all stackgroup

stackgroup BGP --- up 2021-03-30 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:       64.048/90
    Keepalive timer:  17.555/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         39 imported, 0 filtered, 105451 exported, 34 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             87          0          4         39         44
      Import withdraws:            9          0        ---          8          5
      Export updates:        1205653         45        101        ---    1205507
      Export withdraws:       509204        ---        ---        ---     509205
    BGP Next hop:   185.1.161.0