rix-rs2/ipv4: show protocols all rpki1

rpki1 RPKI --- up 2021-09-25 Established

Cache server:     95.215.0.29
  Status:           Established
  Transport:        Unprotected over TCP
  Protocol version: 1
  Session ID:       8133
  Serial number:    2699
  Last update:      before 57.994 s
  Refresh timer   : 882.005/940
  Retry timer     : ---
  Expire timer    : 7142.005/7200
  Channel roa4
    State:          UP
    Table:          r4
    Preference:     100
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         240999 imported, 0 exported, 240999 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:         250103          0          0          0     250103
      Import withdraws:         9104          0        ---          0       9104
      Export updates:              0          0          0        ---          0
      Export withdraws:            0        ---        ---        ---          0
  No roa6 channel