cn-can-s3: show protocols all kernel1

Name       Proto      Table      State  Since         Info
kernel1    Kernel     master4    up     2025-07-08    
  Created:            2025-07-08
  Channel ipv4
    State:          UP
    Import state:   UP
    Export state:   READY
    Table:          master4
    Preference:     10
    Input filter:   REJECT
    Output filter:  (unnamed)
    Routes:         0 imported, 502 exported, 0 preferred
    Route change stats:     received   rejected   filtered    ignored   RX limit      limit   accepted
      Import updates:              0          0          0          0          0          0          0
      Import withdraws:            0          0        ---          0        ---        ---          0
      Export updates:      688608476          0    6108291       3447        ---          0  682495835
      Export withdraws:        18864        ---        ---          2        ---        ---      18862