fix all keps links 404 for kep folder migration

Signed-off-by: pacoxu <paco.xu@daocloud.io>

Kubernetes-commit: a10bdfed09e96f3c2703454caafa2c884914e064

pkg/server/egressselector/egress_selector.go

@@ -47,7 +47,7 @@ type EgressSelector struct {
 }
 
 // EgressType is an indicator of which egress selection should be used for sending traffic.
-// See https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190226-network-proxy.md#network-context
+// See https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/1281-network-proxy/README.md#network-context
 type EgressType int
 
 const (

pkg/server/options/egress_selector.go

@@ -27,7 +27,7 @@ import (
 )
 
 // EgressSelectorOptions holds the api server egress selector options.
-// See https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190226-network-proxy.md
+// See https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/1281-network-proxy/README.md
 type EgressSelectorOptions struct {
 	// ConfigFile is the file path with api-server egress selector configuration.
 	ConfigFile string

pkg/util/flowcontrol/apf_filter.go

@@ -68,7 +68,7 @@ type Interface interface {
 	Install(c *mux.PathRecorderMux)
 }
 
-// This request filter implements https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190228-priority-and-fairness.md
+// This request filter implements https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/1040-priority-and-fairness/README.md
 
 // New creates a new instance to implement API priority and fairness
 func New(

pkg/util/flowcontrol/fairqueuing/interface.go

@@ -46,7 +46,7 @@ type QueueSetCompleter interface {
 // functionality of one non-exempt priority level.  It covers the
 // functionality described in the "Assignment to a Queue", "Queuing",
 // and "Dispatching" sections of
-// https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190228-priority-and-fairness.md
+// https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/1040-priority-and-fairness/README.md
 // .  Some day we may have connections between priority levels, but
 // today is not that day.
 type QueueSet interface {