rs1/ipv4: show protocols all pb_4_libertyglobal_as6830_1

pb_4_libertyglobal_as6830_1 BGP --- down 2021-01-18

Description:    Liberty Global 1
  BGP state:          Down
    Neighbor address: 86.104.125.167
    Neighbor AS:      6830
  Channel ipv4
    State:          DOWN
    Table:          t_4_libertyglobal_as6830_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   20000
      Action:       restart