tll-rs2/ipv4: show protocols all Sky_EN

Sky_EN BGP --- up 2021-01-19 Established

Description:    Sky_EN/50254/AS-SKY-EN
  BGP state:          Established
    Neighbor address: 37.9.49.28
    Neighbor AS:      50254
    Local AS:         57936
    Neighbor ID:      185.145.124.31
    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
        Restart time: 120
        AF supported: ipv4
        AF preserved:
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   37.9.49.254
    Hold timer:       133.791/180
    Keepalive timer:  20.227/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         10 imported, 0 filtered, 87947 exported, 10 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             17          0          0          1         16
      Import withdraws:            5          0        ---          0          5
      Export updates:         431394         16          4        ---     431374
      Export withdraws:       182530        ---        ---        ---     182525
    BGP Next hop:   37.9.49.254