tunnel.dn42/ipv4: show protocols all rpki_dn42

rpki_dn42 RPKI --- up 2022-11-07 Established

Cache server:     51.75.68.27:8282
  Status:           Established
  Transport:        Unprotected over TCP
  Protocol version: 1
  Session ID:       49513
  Serial number:    132
  Last update:      before 738.944 s
  Refresh timer   : 161.055/900
  Retry timer     : ---
  Expire timer    : 172061.055/172800
  No roa4 channel
  Channel roa6
    State:          UP
    Table:          dn42_roa_v6
    Preference:     100
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         1887 imported, 0 exported, 1887 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:           5727          0          0       3730       1997
      Import withdraws:          110          0        ---          0        110
      Export updates:              0          0          0        ---          0
      Export withdraws:            0        ---        ---        ---          0