nbproc + server source = no free ports?

[Dmitry Maslov]

Hello,

I'm getting lots of "no free ports" errors with such setup (simplified
version):

frontend front
  ...
  bind-process 1 2
  default_backend back

backend back
  ...
  server ... source 192.168.0.10:1025-49999
  server ... source 192.168.0.11:1025-49999

I think that's because I use the same ip and port range across multiple
processes. Is there a way to avoid this? May be I can set unique ip and
port range per process somehow?

Thanks a lot,
Dmitry.