sgp: show protocols all 'static2'

Name       Proto      Table      State  Since         Info
static2    Static     dn42_roa_v6 up     2026-05-02    
  Channel roa6
    State:          UP
    Table:          dn42_roa_v6
    Preference:     200
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         2844 imported, 0 exported, 2842 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:           2876          0          0          0       2876
      Import withdraws:           32          0        ---          0         32
      Export updates:              0          0          0        ---          0
      Export withdraws:            0        ---        ---        ---          0