spb-rs1/ipv4: show protocols all petrosvyaz

petrosvyaz BGP --- start 20:10:55.779 Idle BGP Error: Hold timer expired

Description:    petrosvyaz/50538/AS50538/via Petrosvyaz
  BGP state:          Idle
    Neighbor address: 185.1.152.8
    Neighbor AS:      50538
    Local AS:         50817
    Error wait:       6.519/240
    Last error:       BGP Error: Hold timer expired
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   500
      Action:       disable