lg/ipv4: show protocols all bgp4v6

bgp4v6 BGP --- up 2021-06-29 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:       158.650/180
    Keepalive timer:  21.536/60
  Channel ipv6
    State:          UP
    Table:          master6
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Routes:         128012 imported, 138 exported, 71377 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:      139082953          0          0      41317  139041636
      Import withdraws:      7989724          0        ---          1    7989723
      Export updates:      256467864  256458228          0        ---       9636
      Export withdraws:      7703067        ---        ---        ---       7932
    BGP Next hop:   2a02:2e0:11:35::76
    IGP IPv6 table: master6