vm-birdlg/ipv4: show protocols all rs1

rs1 BGP Trs1 up 2018-06-12 Established

Description:    session avec RR-l1
  Preference:     100
  Input filter:   ACCEPT
  Output filter:  REJECT
  Routes:         46280 imported, 0 exported, 46280 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        5429088          0          0     383630    5045458
    Import withdraws:      2224511          0        ---          0    2224511
    Export updates:        5045458    5045458          0        ---          0
    Export withdraws:      2224511        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 77.95.71.9
    Neighbor AS:      43100
    Neighbor ID:      77.95.71.9
    Neighbor caps:    refresh enhanced-refresh AS4
    Session:          external AS4
    Source address:   77.95.71.15
    Hold timer:       154/180
    Keepalive timer:  1/60