rs1/ipv4: show protocols all pb_6_libertyglobal_as6830_1

pb_6_libertyglobal_as6830_1 BGP --- start 2019-11-14 Active Received: Connection rejected

Description:    Liberty Global 1
  BGP state:          Active
    Neighbor address: 2001:7f8:64:225::6830:1
    Neighbor AS:      6830
    Connect delay:    2.168/5
    Last error:       Received: Connection rejected
  Channel ipv6
    State:          DOWN
    Table:          t_6_libertyglobal_as6830_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   20000
      Action:       restart