rs2/ipv4: show protocols all rpki1

rpki1 RPKI --- start 2021-02-22 Transport-Error

Cache server:     195.95.178.11:8282
  Status:           Transport-Error
  Transport:        Unprotected over TCP
  Protocol version: 0
  Session ID:       ---
  Serial number:    ---
  Last update:      ---
  Refresh timer   : ---
  Retry timer     : 3.224/5
  Expire timer    : ---
  Channel roa4
    State:          START
    Table:          t_roa4
    Preference:     100
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         0 imported, 0 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              0          0          0          0          0
      Import withdraws:            0          0        ---          0          0
      Export updates:              0          0          0        ---          0
      Export withdraws:            0        ---        ---        ---          0
  Channel roa6
    State:          START
    Table:          t_roa6
    Preference:     100
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         0 imported, 0 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:              0          0          0          0          0
      Import withdraws:            0          0        ---          0          0
      Export updates:              0          0          0        ---          0
      Export withdraws:            0        ---        ---        ---          0