lg/ipv4: show protocols all bgp3v4

bgp3v4 BGP --- up 2021-05-27 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:       159.569/180
    Keepalive timer:  51.713/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Routes:         838838 imported, 242 exported, 0 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:       81592554          0          0      21710   81570844
      Import withdraws:      4156365          0        ---          0    4156365
      Export updates:      155033452  155032785          0        ---        667
      Export withdraws:      3863243        ---        ---        ---        349
    BGP Next hop:   82.98.65.76
    IGP IPv4 table: master4