msk-rs1/ipv4: show protocols all sven

sven BGP --- start 2021-07-05 Passive BGP Error: Hold timer expired

Description:    sven/50477/AS-SET-SVEN
  BGP state:          Passive
    Neighbor address: 185.1.161.120
    Neighbor AS:      50477
    Local AS:         49869
    Last error:       BGP Error: Hold timer expired
  Channel ipv4
    State:          DOWN
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable