krd-rs2/ipv4: show protocols all nival

nival BGP master up 2017-09-15 Established

Description:    AS21051 AstrumNival Mail.ru
  Preference:     100
  Input filter:   nival_in
  Output filter:  nival_out
  Routes:         1 imported, 0 filtered, 4340 exported, 1 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:              1          0          0          0          1
    Import withdraws:            0          0        ---          0          0
    Export updates:          12992          1          0        ---      12991
    Export withdraws:         3495        ---        ---        ---       3495
  BGP state:          Established
    Neighbor address: 91.240.225.59
    Neighbor AS:      21051
    Neighbor ID:      10.237.192.65
    Neighbor caps:    refresh restart-aware AS4
    Session:          external route-server AS4
    Source address:   91.240.225.100
    Hold timer:       61/90
    Keepalive timer:  63/80