Felix version 2.2.0-pre1 - Generalize and explain datastore config construction - Allow FELIX_DATASTORETYPE to fully control datastore type - Ignore empty configuration values. - Various performance and occupancy imporvements - Ensure the IP forwarding is enabled on the interfaces we control. - Reduce log spam from unconditional rewriting of dispatch chains. - Improve stats: add route table stats, swap histograms for summaries. - Switch to monotime package. Remove need for time jump checks. - Add more comments to inheritance index. - Add FV test for Felix with k8s datastore driver - Squash warnings about missing profiles during resync. - Add GINKGO_OPTIONS variable to Makefile.