Add conntrack as dependency for kubelet

Addresses kubernetes/kubeadm#1287

Also associated with a PR in the k8s.io/kubernetes to keep the changes
in sync.

This change adds conntrack as a dependency for kubelet when building
rpms or debs.

Signed-off-by: Duffie Cooley <dcooley@heptio.com>

debian/xenial/kubelet/debian/control

@@ -10,6 +10,6 @@ Vcs-Browser: https://github.com/kubernetes/kubernetes
 
 Package: kubelet
 Architecture: {{ .DebArch }}
-Depends: iptables (>= 1.4.21), kubernetes-cni ({{ .KubeletCNIVersion }}), iproute2, socat, util-linux, mount, ebtables, ethtool, ${misc:Depends}
+Depends: iptables (>= 1.4.21), kubernetes-cni ({{ .KubeletCNIVersion }}), iproute2, socat, util-linux, mount, ebtables, ethtool, conntrack, ${misc:Depends}
 Description: Kubernetes Node Agent
  The node agent of Kubernetes, the container cluster manager

rpm/kubelet.spec

@@ -53,6 +53,7 @@ Requires: util-linux
 Requires: ethtool
 Requires: iproute
 Requires: ebtables
+Requires: conntrack
 
 
 %description