msk-rs2/ipv4: show protocols all svols

svols BGP --- up 2021-06-14 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:       73.972/90
    Keepalive timer:  21.206/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   100
      Action:       restart
    Routes:         54 imported, 0 filtered, 106164 exported, 54 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:            198          0          0         52        146
      Import withdraws:           85          0        ---          0         85
      Export updates:        1068229        158        181        ---    1067890
      Export withdraws:       723694        ---        ---        ---     723663
    BGP Next hop:   185.1.161.0