lavana/ipv4: show protocols all challene

challene BGP master up 2018-02-18 Established

Preference:     100
  Input filter:   (unnamed)
  Output filter:  (unnamed)
  Import limit:   1000
    Action:       block
  Routes:         149 imported, 83 filtered, 325 exported, 18 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:           8853          0       6841         19       1993
    Import withdraws:         3588          0        ---       8153       1814
    Export updates:          45152        472      33882        ---      10798
    Export withdraws:         2305        ---        ---        ---       2929
  BGP state:          Established
    Neighbor address: 172.20.59.57
    Neighbor AS:      4242420527
    Neighbor ID:      172.20.59.32
    Neighbor caps:    refresh restart-aware AS4
    Session:          external AS4
    Source address:   172.22.141.147
    Route limit:      232/1000
    Hold timer:       156/180
    Keepalive timer:  22/60