tll-rs2/ipv4: show protocols all HE

HE BGP --- up 2021-04-18 Established

Description:    HE/6939/ANY
  BGP state:          Established
    Neighbor address: 37.9.49.14
    Neighbor AS:      6939
    Local AS:         57936
    Neighbor ID:      216.218.252.153
    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:   37.9.49.254
    Hold timer:       138.752/180
    Keepalive timer:  26.582/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   99000
      Action:       restart
    Routes:         89768 imported, 0 filtered, 2402 exported, 89453 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:        4609086          0          0      89230    4519856
      Import withdraws:       590112          0        ---          0     590112
      Export updates:        4609642    4525355      21681        ---      62606
      Export withdraws:       637989        ---        ---        ---      32408
    BGP Next hop:   37.9.49.254