Kube-OVN
A Bridge between SDN and Cloud Native (Project under CNCF)
...It offers an advanced Container Network Fabric for Enterprises with the most functions, extreme performance and the easiest operation. Each Namespace can have a unique Subnet (backed by a Logical Switch). Pods within the Namespace will have IP addresses allocated from the Subnet. It's also possible for multiple Namespaces to share a Subnet.