rix-rs1/ipv4: show protocols all Petrosvyaz

Petrosvyaz BGP --- down 17:31:15.838

Description:    Petrosvyaz/50538/AS50538
  BGP state:          Down
    Neighbor address: 193.27.39.55
    Neighbor AS:      50538
    Local AS:         49634
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable