msk-rs2/ipv4: show protocols all pcnetworks

pcnetworks BGP --- up 2021-10-20 Established

Description:    pcnetworks/35213/AS-PCN
  BGP state:          Established
    Neighbor address: 185.1.160.218
    Neighbor AS:      35213
    Local AS:         49869
    Neighbor ID:      146.185.252.39
    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:       53.346/90
    Keepalive timer:  24.088/30
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   75
      Action:       disable
    Routes:         48 imported, 0 filtered, 118378 exported, 24 preferred
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             48          0          0          0         48
      Import withdraws:            0          0        ---          0          0
      Export updates:         475912         52         23        ---     475837
      Export withdraws:       257703        ---        ---        ---     257701
    BGP Next hop:   185.1.161.0