bru1/ipv4: show protocols all BRU1_IPv4

BRU1_IPv4 BGP master up 2021-02-08 Established

Preference:     100
  Input filter:   ACCEPT
  Output filter:  REJECT
  Routes:         837425 imported, 0 exported, 837425 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:      159251692          0          0     554763  158696929
    Import withdraws:      6825350          0        ---        748    6824602
    Export updates:      158696929  158696929          0        ---          0
    Export withdraws:      6824602        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 62.112.29.129
    Neighbor AS:      6696
    Neighbor ID:      185.64.64.5
    Neighbor caps:    refresh restart-able AS4
    Session:          internal multihop AS4
    Source address:   62.112.29.130
    Hold timer:       149/180
    Keepalive timer:  17/60