krd-rs2/ipv4: show protocols all psvs

psvs BGP master down 2018-04-23

Description:    AS200802 PSVS Prime-Service LLC
  Preference:     100
  Input filter:   psvs_in
  Output filter:  psvs_out
  BGP state:          Down
    Neighbor address: 91.240.225.39
    Neighbor AS:      200802