lg/ipv4: show protocols all R1_CZH_V4

R1_CZH_V4 BGP master up 2021-04-09 Established

Preference:     100
  Input filter:   ACCEPT
  Output filter:  REJECT
  Routes:         858762 imported, 0 exported, 0 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        9535804          0          0      39864    9495940
    Import withdraws:       926259          0        ---          0     926259
    Export updates:       24651329    1564272   23087057        ---          0
    Export withdraws:       336604        ---        ---        ---          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:       157/180
    Keepalive timer:  40/60