rs1/ipv4: show protocols all pb_6_google_as15169_1

pb_6_google_as15169_1 BGP --- start 20:25:10.519 Active Received: Maximum number of prefixes reached

Description:    Google 1
  BGP state:          Active
    Neighbor address: 2001:7f8:64:225:0:1:5169:1
    Neighbor AS:      15169
    Connect delay:    0.893/5
    Last error:       Received: Maximum number of prefixes reached
  Channel ipv6
    State:          DOWN
    Table:          t_6_google_as15169_1
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   15000
      Action:       restart