master/ipv4: show protocols all VK

VK BGP ix up 2021-09-02 Established

Description:    SIBIR-IX-RS-MASTER AS60763
  Preference:     100
  Input filter:   REJECT
  Output filter:  (unnamed)
  Receive limit:  200
    Action:       disable
  Routes:         0 imported, 0 filtered, 519 exported, 0 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:              0          0          0          0          0
    Import withdraws:            0          0        ---          0          0
    Export updates:         398526          0     383440        ---      15086
    Export withdraws:       289745        ---        ---        ---      11318
  BGP state:          Established
    Neighbor address: 185.161.34.98
    Neighbor AS:      28709
    Neighbor ID:      185.161.34.98
    Neighbor caps:    refresh enhanced-refresh restart-aware llgr-aware AS4
    Session:          external multihop route-server AS4
    Source address:   185.1.81.1
    Hold timer:       191/240
    Keepalive timer:  61/80