lg/ipv4: show protocols all R1_CZH_V4

R1_CZH_V4 BGP master up 2021-02-03 Established

Preference:     100
  Input filter:   ACCEPT
  Output filter:  REJECT
  Routes:         849671 imported, 0 exported, 1 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:       17816069          0          0     101164   17714905
    Import withdraws:      1722459          0        ---          0    1722459
    Export updates:       58323085    2432719   55890366        ---          0
    Export withdraws:       925520        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 5.226.149.251
    Neighbor AS:      58299
    Neighbor ID:      5.226.149.251
    Neighbor caps:    refresh AS4
    Session:          external multihop AS4
    Source address:   5.226.144.241
    Hold timer:       145/180
    Keepalive timer:  37/60