gw7/ipv4: show protocols all p_maintbl

p_maintbl Pipe master up 2017-07-14 => ebgp

Preference:     70
  Input filter:   (unnamed)
  Output filter:  REJECT
  Routes:         6201 imported, 0 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:       14286239          0        135          0   14286104
    Import withdraws:      3272085          0        ---          0    3271971
    Export updates:       14286104   14286104          0          0          0
    Export withdraws:      3271971          0        ---          0          0