gw9/ipv4: show protocols all p_maintbl

p_maintbl Pipe master up 2017-09-11 => ebgp

Preference:     70
  Input filter:   (unnamed)
  Output filter:  REJECT
  Routes:         1755 imported, 0 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        1564938          0         36          0    1564902
    Import withdraws:       884987          0        ---          0     884972
    Export updates:        1564902    1564902          0          0          0
    Export withdraws:       884972          0        ---          0          0