rix-rs2/ipv4: show protocols all HE

HE BGP --- up 2020-02-06 Established

Description:    HE/6939/ANY
  BGP state:          Established
    Neighbor address: 193.27.39.47
    Neighbor AS:      6939
    Local AS:         50817
    Neighbor ID:      216.218.252.129
    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
    Session:          external route-server AS4
    Source address:   193.27.39.254
    Hold timer:       125.846/180
    Keepalive timer:  17.806/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   99000
      Action:       disable
    Routes:         71268 imported, 0 filtered, 1662 exported, 70857 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:         918738          0          0     142082     776656
      Import withdraws:       282937          0        ---          0     282937
      Export updates:         929476     913752       3270        ---      12454
      Export withdraws:       285049        ---        ---        ---     143822
    BGP Next hop:   193.27.39.254