tll-rs2/ipv4: show protocols all ZBS

ZBS BGP --- up 2020-02-06 Established

Description:    ZBS/202376/AS-ZBSCLOUD
  BGP state:          Established
    Neighbor address: 37.9.49.44
    Neighbor AS:      202376
    Local AS:         50817
    Neighbor ID:      149.6.188.89
    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
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   37.9.49.254
    Hold timer:       166.241/180
    Keepalive timer:  17.439/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         9 imported, 0 filtered, 71936 exported, 9 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:           7150          0          0       7140         10
      Import withdraws:          196          0        ---        196          0
      Export updates:        1890755         98          0        ---    1890657
      Export withdraws:       443509        ---        ---        ---     443597
    BGP Next hop:   37.9.49.254