msk-rs2/ipv4: show protocols all spbtv

spbtv BGP --- up 2021-07-23 Established

Description:    spbtv/197888/AS197888
  BGP state:          Established
    Neighbor address: 185.1.160.125
    Neighbor AS:      197888
    Local AS:         49869
    Neighbor ID:      91.228.177.2
    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
      ADD-PATH
        RX: ipv4
        TX:
      Hostname: gw-0-6.msk.spbtv.com
    Session:          external route-server AS4
    Source address:   185.1.161.0
    Hold timer:       136.531/180
    Keepalive timer:  43.879/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         2 imported, 0 filtered, 106267 exported, 2 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              2          0          0          0          2
      Import withdraws:            0          0        ---          0          0
      Export updates:         308140          2        199        ---     307939
      Export withdraws:       128653        ---        ---        ---     128653
    BGP Next hop:   185.1.161.0