spb-rs1/ipv4: show protocols all firstline

firstline BGP --- up 2020-06-27 Established

Description:    firstline/43267/AS-LINETEL/via FirstLine
  BGP state:          Established
    Neighbor address: 185.1.152.107
    Neighbor AS:      43267
    Neighbor ID:      82.112.184.1
    Local capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      Graceful restart
      4-octet AS numbers
      Enhanced refresh
    Neighbor capabilities
      Multiprotocol
        AF announced: ipv4
      Route refresh
      4-octet AS numbers
      Enhanced refresh
    Session:          external route-server AS4
    Source address:   185.1.152.255
    Hold timer:       137.186/180
    Keepalive timer:  43.457/60
  Channel ipv4
    State:          UP
    Table:          master4
    Preference:     100
    Input filter:   (unnamed)
    Output filter:  (unnamed)
    Import limit:   5000
      Action:       disable
    Routes:         50 imported, 2 filtered, 90392 exported
    Route change stats:     received   rejected   filtered    ignored   accepted
      Import updates:             60          0          2          4         54
      Import withdraws:            2          0        ---          2          2
      Export updates:         684129         86          0        ---     684043
      Export withdraws:       379350        ---        ---        ---     379370
    BGP Next hop:   185.1.152.255