22 Apr 2021

#### Bug fixes

 - Fix that calico/node would fail to set NetworkUnavailable to false for etcd clusters with mismatched nodenames [node #949](https://github.com/projectcalico/node/pull/949) (@caseydavenport)
 - Fixes a bug where IPv6 networks were not handled properly by the failsafe rules [felix #2748](https://github.com/projectcalico/felix/pull/2748) (@mgleung)
 - Fix that, after a netlink read failure, Felix would tight loop reading from a closed channel.  Restart the event poll in that case. [felix #2713](https://github.com/projectcalico/felix/pull/2713) (@fasaxc)

#### Other changes

 - FailsafeInboundHostPorts & FailsafeOutboundHostPorts now support restricting to specific cidrs. New format <protocol>:<net>:<port> [felix #2721](https://github.com/projectcalico/felix/pull/2721) (@mgleung)
