master test from ubuntu_k8s_unit_tests failed on F-gcp-5.4 / G-5.8-gcp

Issue found on 5.4.0-1016.16-gcp

Test failed with:
 W0613 17:38:57.587286 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.587627 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil} {4.3.2.2 nil} {4.3.2.3 nil} {4.3.2.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.587803 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{4.3.2.1 nil} {4.3.2.2 nil} {4.3.2.3 nil} {4.3.2.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.587957 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{4.3.2.1 nil} {4.3.2.2 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.588135 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.588229 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.588378 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.588495 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{baz 8080 TCP}]}],}
 W0613 17:38:57.588609 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP} {bar 1000 TCP}]}],}
 W0613 17:38:57.588785 40047 mastercount.go:135] Resetting endpoints for master service "foo" to &Endpoints{ObjectMeta:k8s_io_apimachinery_pkg_apis_meta_v1.ObjectMeta{Name:foo,GenerateName:,Namespace:default,SelfLink:,UID:,ResourceVersion:,Generation:0,CreationTimestamp:0001-01-01 00:00:00 +0000 UTC,DeletionTimestamp:,DeletionGracePeriodSeconds:nil,Labels:map[string]string{},Annotations:map[string]string{},OwnerReferences:[],Finalizers:[],ClusterName:,Initializers:nil,},Subsets:[{[{1.2.3.4 nil}] [] [{foo 8080 TCP}]}],}
 W0613 17:38:57.589085 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589181 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}, v1.ServicePort{Name:"baz", Protocol:"TCP", Port:1000, TargetPort:intstr.IntOrString{Type:0, IntVal:1000, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589292 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589364 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589439 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589512 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 W0613 17:38:57.589586 40047 controller.go:269] Resetting master service "foo" to &v1.Service{TypeMeta:v1.TypeMeta{Kind:"", APIVersion:""}, ObjectMeta:v1.ObjectMeta{Name:"foo", GenerateName:"", Namespace:"default", SelfLink:"", UID:"", ResourceVersion:"", Generation:0, CreationTimestamp:v1.Time{Time:time.Time{wall:0x0, ext:0, loc:(*time.Location)(nil)}}, DeletionTimestamp:(*v1.Time)(nil), DeletionGracePeriodSeconds:(*int64)(nil), Labels:map[string]string(nil), Annotations:map[string]string(nil), OwnerReferences:[]v1.OwnerReference(nil), Initializers:(*v1.Initializers)(nil), Finalizers:[]string(nil), ClusterName:""}, Spec:v1.ServiceSpec{Ports:[]v1.ServicePort{v1.ServicePort{Name:"foo", Protocol:"TCP", Port:8080, TargetPort:intstr.IntOrString{Type:0, IntVal:8080, StrVal:""}, NodePort:0}}, Selector:map[string]string(nil), ClusterIP:"1.2.3.4", Type:"ClusterIP", ExternalIPs:[]string(nil), SessionAffinity:"None", LoadBalancerIP:"", LoadBalancerSourceRanges:[]string(nil), ExternalName:"", ExternalTrafficPolicy:"", HealthCheckNodePort:0, PublishNotReadyAddresses:false, SessionAffinityConfig:(*v1.SessionAffinityConfig)(nil)}, Status:v1.ServiceStatus{LoadBalancer:v1.LoadBalancerStatus{Ingress:[]v1.LoadBalancerIngress(nil)}}}
 2020-06-13 17:38:57.673320 I | integration: launching 6153897363885658960 (unix://localhost:61538973638856589600)
 2020-06-13 17:38:57.678442 I | etcdserver: name = 6153897363885658960
 2020-06-13 17:38:57.678522 I | etcdserver: data dir = /tmp/etcd999952721
 2020-06-13 17:38:57.678537 I | etcdserver: member dir = /tmp/etcd999952721/member
 2020-06-13 17:38:57.678549 I | etcdserver: heartbeat = 10ms
 2020-06-13 17:38:57.678559 I | etcdserver: election = 100ms
 2020-06-13 17:38:57.678569 I | etcdserver: snapshot count = 0
 2020-06-13 17:38:57.678614 I | etcdserver: advertise client URLs = unix://127.0.0.1:2100240047
 2020-06-13 17:38:57.678634 I | etcdserver: initial advertise peer URLs = unix://127.0.0.1:2100140047
 2020-06-13 17:38:57.678652 I | etcdserver: initial cluster = 6153897363885658960=unix://127.0.0.1:2100140047
 2020-06-13 17:38:57.686040 I | etcdserver: starting member ff11d91b6a4243a3 in cluster fc4ce138af1682e4
 2020-06-13 17:38:57.686073 I | raft: ff11d91b6a4243a3 became follower at term 0
 2020-06-13 17:38:57.686082 I | raft: newRaft ff11d91b6a4243a3 [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0]
 2020-06-13 17:38:57.686087 I | raft: ff11d91b6a4243a3 became follower at term 1
 2020-06-13 17:38:57.697745 W | auth: simple token is not cryptographically signed
 2020-06-13 17:38:57.706078 I | etcdserver: set snapshot count to default 100000
 2020-06-13 17:38:57.706168 I | etcdserver: starting server... [version: 3.3.10, cluster version: to_be_decided]
 2020-06-13 17:38:57.708110 I | integration: launched 6153897363885658960 (unix://localhost:61538973638856589600)
 2020-06-13 17:38:57.708857 I | etcdserver: ff11d91b6a4243a3 as single-node; fast-forwarding 9 ticks (election ticks 10)
 2020-06-13 17:38:57.709482 I | etcdserver/membership: added member ff11d91b6a4243a3 [unix://127.0.0.1:2100140047] to cluster fc4ce138af1682e4
 2020-06-13 17:38:57.766332 I | raft: ff11d91b6a4243a3 is starting a new election at term 1
 2020-06-13 17:38:57.766508 I | raft: ff11d91b6a4243a3 became candidate at term 2
 2020-06-13 17:38:57.766533 I | raft: ff11d91b6a4243a3 received MsgVoteResp from ff11d91b6a4243a3 at term 2
 2020-06-13 17:38:57.766552 I | raft: ff11d91b6a4243a3 became leader at term 2
 2020-06-13 17:38:57.766585 I | raft: raft.node: ff11d91b6a4243a3 elected leader ff11d91b6a4243a3 at term 2
 2020-06-13 17:38:57.767051 I | etcdserver: setting up the initial cluster version to 3.3
 2020-06-13 17:38:57.767104 I | etcdserver: published {Name:6153897363885658960 ClientURLs:[unix://127.0.0.1:2100240047]} to cluster fc4ce138af1682e4
 2020-06-13 17:38:57.767956 N | etcdserver/membership: set the initial cluster version to 3.3
 2020-06-13 17:38:57.768021 I | etcdserver/api: enabled capabilities for version 3.3
 I0613 17:38:57.774692 40047 services.go:33] Network range for service cluster IPs is unspecified. Defaulting to {10.0.0.0 ffffff00}.
 I0613 17:38:57.774773 40047 master.go:272] Node port range unspecified. Defaulting to 30000-32767.
 I0613 17:38:57.774795 40047 master.go:228] Using reconciler: master-count
 W0613 17:38:57.774857 40047 authorization.go:47] Authorization is disabled
 W0613 17:38:57.774886 40047 authentication.go:55] Authentication is disabled
 W0613 17:38:57.899964 40047 master.go:412] Problem initializing API group "authorization.k8s.io", skipping.
 W0613 17:38:58.054368 40047 genericapiserver.go:338] Skipping API batch/v2alpha1 because it has no resources.
 W0613 17:38:58.196767 40047 genericapiserver.go:338] Skipping API rbac.authorization.k8s.io/v1alpha1 because it has no resources.
 W0613 17:38:58.206838 40047 genericapiserver.go:338] Skipping API scheduling.k8s.io/v1alpha1 because it has no resources.
 W0613 17:38:58.244295 40047 genericapiserver.go:338] Skipping API storage.k8s.io/v1alpha1 because it has no resources.
 W0613 17:38:58.325624 40047 genericapiserver.go:338] Skipping API admissionregistration.k8s.io/v1alpha1 because it has no resources.
 [restful] 2020/06/13 17:38:58 log.go:33: [restful/swagger] listing is available at https://192.168.10.4:443/swaggerapi
 [restful] 2020/06/13 17:38:58 log.go:33: [restful/swagger] https://192.168.10.4:443/swaggerui/ is mapped to folder /swagger-ui/
 2020-06-13 17:39:00.512462 I | integration: terminating 6153897363885658960 (unix://localhost:61538973638856589600)
 2020-06-13 17:39:00.517057 I | integration: terminated 6153897363885658960 (unix://localhost:61538973638856589600)
 --- FAIL: TestValidOpenAPISpec (2.89s)
 panic: Invalid schema provided to SchemaValidator: object has no key "default" [recovered]
 panic: Invalid schema provided to SchemaValidator: object has no key "default"

 goroutine 148 [running]:
 testing.tRunner.func1(0xc0008c9a00)
 /usr/lib/go-1.13/src/testing/testing.go:874 +0x3a3
 panic(0x367d180, 0xc005343950)
 /usr/lib/go-1.13/src/runtime/panic.go:679 +0x1b2
 k8s.io/kubernetes/vendor/github.com/go-openapi/validate.NewSchemaValidator(0xc006a18240, 0x4092020, 0xc006a18240, 0x0, 0x0, 0x4b640c0, 0xc000304f90, 0x0)
 /tmp/kubernetes.git/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/go-openapi/validate/schema.go:71 +0xf83
 k8s.io/kubernetes/pkg/master.TestValidOpenAPISpec(0xc0008c9a00)
 /tmp/kubernetes.git/_output/local/go/src/k8s.io/kubernetes/pkg/master/master_openapi_test.go:82 +0xa58
 testing.tRunner(0xc0008c9a00, 0x4270700)
 /usr/lib/go-1.13/src/testing/testing.go:909 +0xc9
 created by testing.(*T).Run
 /usr/lib/go-1.13/src/testing/testing.go:960 +0x350
 FAIL k8s.io/kubernetes/pkg/master 3.016s