v4.0.0

Improvements since v4.0.0-rc5:

• Update the manpages.
• Patch validation of pool6 during instance add.

New features since v3.5:

• iptables mode
• Instance naming
• stats
• Support for kernels 4.17, 4.18, 4.19, 4.20 and RHEL 7.5.
  • (Dropped support for kernels 3.12 and below.)
• Bash autocompletion
• BIB on Atomic Configuration (But only on new instances)

Patches since v3.5:

• Fix low performance on virtual interfaces.
• Patch incorrect fragment handling on newer kernels.