gw4/ipv4: show protocols all p_ibgptbl

p_ibgptbl Pipe ebgp up 2017-07-04 => ibgp

Preference:     70
  Input filter:   ACCEPT
  Output filter:  (unnamed)
  Routes:         1617 imported, 0 exported
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:         883765          0          0          0     883765
    Import withdraws:        29038          0        ---          0      29038
    Export updates:         883785     883765         20          0          0
    Export withdraws:        29038          0        ---          0          0