msk-rs2/ipv4: show protocols all unilink

unilink BGP --- up 2020-09-25 Established

Description:    unilink/44053/AS-UNILINK/via Unilink
  BGP state:          Established
    Neighbor address: 185.1.160.92
    Neighbor AS:      44053
    Local AS:         49869
    Neighbor ID:      10.16.5.30
    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:   185.1.161.0
    Hold timer:       62.365/90
    Keepalive timer:  18.538/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         38 imported, 0 filtered, 96964 exported, 37 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            155          0          0         76         79
      Import withdraws:           23          0        ---          0         23
      Export updates:         518989        143       3047        ---     515799
      Export withdraws:       148864        ---        ---        ---     149219
    BGP Next hop:   185.1.161.0