virtono: show protocols all static_roa6

Name       Proto      Table      State  Since         Info
static_roa6 Static     roa_v6     up     2020-06-01 00:24:22  
Channel roa6
State:          UP
Table:          roa_v6
Preference:     200
Input filter:   ACCEPT
Output filter:  REJECT
Routes:         996 imported, 0 exported, 996 preferred
Route change stats:     received   rejected   filtered    ignored   accepted
Import updates:           1001          0          0          4        997
Import withdraws:            1          0        ---          0          1
Export updates:              0          0          0        ---          0
Export withdraws:            0        ---        ---        ---          0