genesis02/ipv4: show protocols all default_ext

default_ext Pipe master up 2020-03-20 => ext

Preference:     70
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Routes:         1807923 imported, 3 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:      272170698          6          0          2  272170690
    Import withdraws:     11050532          0        ---          0   11050532
    Export updates:      272170708  272170692         10          3          3
    Export withdraws:     11050532          0        ---          0          0