Changelog note for #415: - Merge PR #415 from sibeream: Use /proc/sys/net/ipv4/ip_local_port_range   to determine available outgoing ports.
Changelog note for #415:
- Merge PR #415 from sibeream: Use /proc/sys/net/ipv4/ip_local_port_range
  to determine available outgoing ports.

NLnetLabs/unbound,NLnetLabs/unbound,NLnetLabs/unbound,NLnetLabs/unbound