msk-rs2/ipv4: show protocols all SITS

SITS BGP --- up 2020-07-03 Established

Description:    SITS/47379/AS-SITS
  BGP state:          Established
    Neighbor address: 31.44.187.19
    Neighbor AS:      47379
    Local AS:         50817
    Neighbor ID:      172.27.0.255
    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
    Session:          external route-server AS4
    Source address:   31.44.187.254
    Hold timer:       71.457/90
    Keepalive timer:  23.528/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         19 imported, 0 filtered, 91765 exported, 7 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             19          0          0          0         19
      Import withdraws:            0          0        ---          0          0
      Export updates:         177388         15        143        ---     177230
      Export withdraws:        57436        ---        ---        ---      57482
    BGP Next hop:   31.44.187.254