lg/ipv4: show protocols all bgp4v4

bgp4v4 BGP --- up 2021-06-29 Established

Description:    bgp4.f.de.plusline.net
  BGP state:          Established
    Neighbor address: 213.83.21.131
    Neighbor AS:      12306
    Local AS:         12306
    Neighbor ID:      213.83.21.131
    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:       177.957/180
    Keepalive timer:  18.348/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Routes:         842007 imported, 244 exported, 841973 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:       65208066          0          0      25443   65182623
      Import withdraws:      4378482          0        ---          5    4378477
      Export updates:      108705349  108705090          0        ---        259
      Export withdraws:      4147403        ---        ---        ---          7
    BGP Next hop:   82.98.65.76
    IGP IPv4 table: master4