lg/ipv4: show protocols all bgp4v6

bgp4v6 BGP --- up 2021-03-30 Established

Description:    bgp4.f.de.plusline.net
  BGP state:          Established
    Neighbor address: 2a02:2e0::d
    Neighbor AS:      12306
    Local AS:         12306
    Neighbor ID:      213.83.21.131
    Local capabilities
      Multiprotocol
        AF announced: ipv6
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv6
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Session:          internal multihop AS4
    Source address:   2a02:2e0:11:35::76
    Hold timer:       148.112/180
    Keepalive timer:  33.990/60
  Channel ipv6
    State:          UP
    Table:          master6
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Routes:         123373 imported, 143 exported, 72332 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:      218231101          0          0     360626  217870475
      Import withdraws:      8791718          0        ---          0    8791718
      Export updates:      358696891  358696245          0        ---        646
      Export withdraws:      8227011        ---        ---        ---        275
    BGP Next hop:   2a02:2e0:11:35::76
    IGP IPv6 table: master6