v1.0.0-rc6

Bug fix release. Fixes for regressions found in v1.0.0-rc5

thanks @eeeeeta for reporting and fixing the regression

Breaking changes and knows issues:

If you are upgrading from v1.0.0-rc4 or earlier version please see release notes for v1.0.0-rc5. Same breaking changes and known issues apply for this release as well

Changelog

4f9a794 Merge pull request #931 from cloudnativelabs/pr914-feedback
1bec864 avoide listing a chain if the rule already exists
309c803 Merge pull request #928 from eeeeeta/fix-generate-fwmark
a2ac2f0 fix unintentional Sprint of two-argument generateFwmark() call
a23017d Merge pull request #927 from cloudnativelabs/bgppolicies
81d717d fix false negative errors in creating BGP defined sets