ch1-tw: show protocols all kernel2

Name       Proto      Table      State  Since         Info
kernel2    Kernel     master4    up     2020-06-06    
Channel ipv4
State:          UP
Table:          master4
Preference:     10
Input filter:   REJECT
Output filter:  (unnamed)
Routes:         0 imported, 651 exported, 0 preferred
Route change stats:     received   rejected   filtered    ignored   accepted
Import updates:              1          0          1          0          0
Import withdraws:            0          0        ---          1          0
Export updates:       12677353          0          2        ---   12677351
Export withdraws:       878541        ---        ---        ---     878541