RS/ipv4: show protocols all RT_CBV

RT_CBV BGP master up 2021-08-31 Established

Description:    RT-CBV
  Preference:     100
  Input filter:   ACCEPT
  Output filter:  bgp_out
  Routes:         1 imported, 0 exported, 0 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        5676547          0          0          1    5676546
    Import withdraws:      1329611          0        ---          0    1329611
    Export updates:       52149815   52149795         20        ---          0
    Export withdraws:      3047967        ---        ---        ---     589967
  BGP state:          Established
    Neighbor address: 193.17.192.142
    Neighbor AS:      34019
    Neighbor ID:      193.17.192.142
    Neighbor caps:    refresh restart-able llgr-aware AS4
    Session:          internal multihop AS4
    Source address:   193.17.192.138
    Hold timer:       23/30
    Keepalive timer:  9/10