Release v1.8.1

Changed

• Add OVS connection check to Agent's liveness probes for self-healing on OVS disconnection. (#4126, @tnqn)
• Upgrade Antrea base image to ubuntu:22.04. (#4459 #4499, @antoninbas)

Fixed

• Ensure NO_FLOOD is always set for IPsec tunnel ports and TrafficControl ports. (#4419 #4654 #4674, @xliuxu @tnqn)
• Fix Service routes being deleted on Agent startup on Windows. (#4470, @hongliangl)
• Fix route deletion for Service ClusterIP and LoadBalancerIP when AntreaProxy is enabled. (#4711, @tnqn)
• Add a periodic job to rejoin dead Nodes to fix Egress not working properly after long network downtime. (#4491, @tnqn)
• Fix Agent crash in dual-stack clusters when any Node is not configured with an IP address for each address family. (#4480, @hongliangl)
• Fix potential deadlocks and memory leaks of memberlist maintenance in large-scale clusters. (#4469, @wenyingd)
• Fix connectivity issues caused by MAC address changes with systemd v242 and later. (#4428, @wenyingd)
• Fix OpenFlow rules not being updated when Multi-cluster Gateway updates. (#4388, @luolanzone)
• Set no-flood config with ports for TrafficControl after Agent restarting. (#4318, @hongliangl)
• Fix packet resubmission issue when AntreaProxy is enabled and AntreaPolicy is disable. (#4261, @GraysonWu)
• Fix data race when Multi-cluster controller reconciles ServiceExports concurrently. (#4305, @Dyanngg)
• Fix multicast group not removed from cache when it is uninstalled. (#4176, @wenyingd)
• Fix nil pointer error when there is no ClusterSet found during MemberClusterAnnounce validation. (#4154, @luolanzone)
• Remove redundant Openflow messages when syncing an updated group to OVS. (#4160, @hongliangl)