bpf: kube-proxy runner must be created first
bpf: kube-proxy runner must be created first

Since we start the threads the get updates from k8s right away, the
runner must exist by then otherwise the updates may kick a nil runner.

k8s.io/kubernetes/pkg/util/async.(*BoundedFrequencyRunner).Run(0x0)

fixes BPF-266

neiljerram/felix,neiljerram/felix,neiljerram/felix,neiljerram/felix,Metaswitch/calico,Metaswitch/calico