lg/ipv4: show protocols all ibgp_regis_ipv4

ibgp_regis_ipv4 BGP --- up 2021-11-07 Established

Description:    iBGP regis
  BGP state:          Established
    Neighbor address: 45.91.126.255
    Neighbor AS:      208627
    Local AS:         208627
    Neighbor ID:      89.234.186.27
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      ADD-PATH
        RX: ipv4
        TX:
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      ADD-PATH
        RX:
        TX: ipv4
      Enhanced refresh
      Long-lived graceful restart
    Session:          internal multihop AS4
    Source address:   45.91.126.5
    Hold timer:       207.622/240
    Keepalive timer:  63.061/80
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   ACCEPT
    Output filter:  REJECT
    Routes:         1613663 imported, 0 exported, 1319 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:       25997909          0          0      73220   25924689
      Import withdraws:      1939722          0        ---         81    1939641
      Export updates:       49669179   49669178          1        ---          0
      Export withdraws:       391484        ---        ---        ---          0
    BGP Next hop:   45.91.126.5
    IGP IPv4 table: master4