/var/lib/kubelet, otherwise following tests fail:

Summarizing 7 Failures:

[Fail] [k8s.io] ConfigMap [It] updates should be reflected in volume [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e_node/configmap.go:131

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volumpe [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115

[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115