rs2/ipv4: show protocols all pb_6_combridge_as5483_1

pb_6_combridge_as5483_1 BGP --- start 2019-03-18 Connect

Description:    Combridge 1
  BGP state:          Connect
    Neighbor address: 2001:7f8:64:225::5483:1
    Neighbor AS:      5483
  Channel ipv6
    State:          DOWN
    Table:          t_6_combridge_as5483_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   2000
      Action:       restart