msk-rs2/ipv4: show protocols all maxnet

maxnet BGP --- up 2021-01-19 Established

Description:    maxnet/8636/AS-MAX
  BGP state:          Established
    Neighbor address: 185.1.160.111
    Neighbor AS:      8636
    Local AS:         49869
    Neighbor ID:      172.17.255.241
    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
      Enhanced refresh
      Long-lived graceful restart
    Session:          external route-server AS4
    Source address:   185.1.161.0
    Hold timer:       28.816/45
    Keepalive timer:  5.635/15
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         27 imported, 0 filtered, 100688 exported, 27 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             81          0          0         54         27
      Import withdraws:      1684613          0        ---    1684613          0
      Export updates:         372640         99          6        ---     372535
      Export withdraws:        26048        ---        ---        ---      26118
    BGP Next hop:   185.1.161.0