NewEventSignaler constructs a NeedPodsSignaler which signals by recording an event for the service with the "NeedPods" reason.

NewUnidlerProxier creates a new Proxier for the given LoadBalancer and address which fires off unidling signals connections and traffic.

4KiB should be enough for most whole-packets.

MaxHeldConnections is the maximum number of TCP connections per service that will be held by the unidler at once (new connections will cause older ones to be dropped after the limit is reached).