lg/ipv4: show protocols all bgp3v4

bgp3v4 BGP --- up 2021-06-29 Established

Description:    bgp3.f.de.plusline.net
  BGP state:          Established
    Neighbor address: 213.83.34.152
    Neighbor AS:      12306
    Local AS:         12306
    Neighbor ID:      213.83.34.152
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Session:          internal multihop AS4
    Source address:   82.98.65.76
    Hold timer:       170.503/180
    Keepalive timer:  4.881/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Routes:         847569 imported, 238 exported, 0 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:      177561917          0          0     535291  177026626
      Import withdraws:     11663562          0        ---          6   11663556
      Export updates:      318858589  318856978          0        ---       1611
      Export withdraws:     10615232        ---        ---        ---        698
    BGP Next hop:   82.98.65.76
    IGP IPv4 table: master4