msk-rs2/ipv4: show protocols all svols

svols BGP --- up 2021-03-30 Established

Description:    svols/51028/AS-SVOLS/via SVOLS
  BGP state:          Established
    Neighbor address: 185.1.160.67
    Neighbor AS:      51028
    Local AS:         49869
    Neighbor ID:      10.240.3.6
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
      Long-lived graceful restart
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   185.1.161.0
    Hold timer:       63.650/90
    Keepalive timer:  20.151/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       restart
    Routes:         59 imported, 0 filtered, 104818 exported, 59 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            188          0         10         54        124
      Import withdraws:           65          0        ---         15         60
      Export updates:        1035926        124         52        ---    1035750
      Export withdraws:       458586        ---        ---        ---     458529
    BGP Next hop:   185.1.161.0