rs2/ipv4: show protocols all pb_4_cts_as39279_1

pb_4_cts_as39279_1 BGP --- start 2020-10-01 Connect BGP Error: Hold timer expired

Description:    CTS MD 1
  BGP state:          Connect
    Neighbor address: 86.104.125.91
    Neighbor AS:      39279
    Last error:       BGP Error: Hold timer expired
  Channel ipv4
    State:          DOWN
    Table:          t_4_cts_as39279_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   50
      Action:       restart