genesis01/ipv4: show protocols all default_ext

default_ext Pipe master up 2019-04-11 => ext

Preference:     70
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         3380095 imported, 6 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:     3833803653  107318524     416645   31502854 3694565630
    Import withdraws:    371040652          0        ---         78  329780755
    Export updates:     3806635528 3702185484          6    4309200  100140838
    Export withdraws:    371040620          0        ---         51   41259820