kubeadm init --ignore-preflight-errors=... fails nvidia nano

kubeadm init --ignore-preflight-errors=... fails nvidia nano

[Yocto]

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kubeadm init fails on conntrack however lsmod shows it installed

lsmod |grep con
nf_conntrack_netlink    36868  0
nfnetlink              10710  2 nf_conntrack_netlink
nf_conntrack_ipv4      15556  2
nf_defrag_ipv4          2348  1 nf_conntrack_ipv4
xt_conntrack            4454  1
nf_conntrack          142151  6 nf_conntrack_ipv4,nf_conntrack_netlink,nf_nat_masquerade_ipv4,xt_conntrack,nf_nat_ipv4,nf_nat
x_tables               41226  5 ip_tables,iptable_filter,ipt_MASQUERADE,xt_addrtype,xt_conntrack

and with --ignore-preflight-errors=... it still fails

root@jetson-nano-qspi-sd:~# kubeadm init --ignore-preflight-errors=... --pod-network-cidr=10.244.0.0/16 --v=5
I0521 07:17:37.135612   10539 initconfiguration.go:103] detected and using CRI socket: /var/run/dockershim.sock
I0521 07:17:37.136062   10539 interface.go:400] Looking for default routes with IPv4 addresses
I0521 07:17:37.136105   10539 interface.go:405] Default route transits interface "eth0"
I0521 07:17:37.136390   10539 interface.go:208] Interface eth0 is up
I0521 07:17:37.136557   10539 interface.go:256] Interface "eth0" has 2 addresses :[192.168.2.132/24 fe80::2e0:4cff:fe68:20d/64].
I0521 07:17:37.136651   10539 interface.go:223] Checking addr  192.168.2.132/24.
I0521 07:17:37.136684   10539 interface.go:230] IP found 192.168.2.132
I0521 07:17:37.136731   10539 interface.go:262] Found valid IPv4 address 192.168.2.132 for interface "eth0".
I0521 07:17:37.136760   10539 interface.go:411] Found active IP 192.168.2.132
I0521 07:17:37.136908   10539 version.go:183] fetching Kubernetes version from URL: https://dl.k8s.io/release/stable-1.txt
W0521 07:17:37.985197   10539 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]
[init] Using Kubernetes version: v1.18.3
[preflight] Running pre-flight checks
I0521 07:17:37.985770   10539 checks.go:577] validating Kubernetes and kubeadm version
I0521 07:17:37.985877   10539 checks.go:166] validating if the firewall is enabled and active
I0521 07:17:38.006216   10539 checks.go:201] validating availability of port 6443
I0521 07:17:38.006588   10539 checks.go:201] validating availability of port 10259
I0521 07:17:38.006706   10539 checks.go:201] validating availability of port 10257
I0521 07:17:38.006825   10539 checks.go:286] validating the existence of file /etc/kubernetes/manifests/kube-apiserver.yaml
I0521 07:17:38.006893   10539 checks.go:286] validating the existence of file /etc/kubernetes/manifests/kube-controller-manager.yaml
I0521 07:17:38.006977   10539 checks.go:286] validating the existence of file /etc/kubernetes/manifests/kube-scheduler.yaml
I0521 07:17:38.007101   10539 checks.go:286] validating the existence of file /etc/kubernetes/manifests/etcd.yaml
I0521 07:17:38.007181   10539 checks.go:432] validating if the connectivity type is via proxy or direct
I0521 07:17:38.007241   10539 checks.go:471] validating http connectivity to first IP address in the CIDR
I0521 07:17:38.007342   10539 checks.go:471] validating http connectivity to first IP address in the CIDR
I0521 07:17:38.007456   10539 checks.go:102] validating the container runtime
I0521 07:17:38.103903   10539 checks.go:128] validating if the service is enabled and active
I0521 07:17:38.233858   10539 checks.go:335] validating the contents of file /proc/sys/net/bridge/bridge-nf-call-iptables
I0521 07:17:38.233985   10539 checks.go:335] validating the contents of file /proc/sys/net/ipv4/ip_forward
I0521 07:17:38.234058   10539 checks.go:649] validating whether swap is enabled or not
I0521 07:17:38.234140   10539 checks.go:376] validating the presence of executable conntrack
I0521 07:17:38.234260   10539 checks.go:376] validating the presence of executable ip
I0521 07:17:38.234331   10539 checks.go:376] validating the presence of executable iptables
I0521 07:17:38.234386   10539 checks.go:376] validating the presence of executable mount
I0521 07:17:38.234456   10539 checks.go:376] validating the presence of executable nsenter
I0521 07:17:38.234550   10539 checks.go:376] validating the presence of executable ebtables
I0521 07:17:38.234636   10539 checks.go:376] validating the presence of executable ethtool
I0521 07:17:38.234777   10539 checks.go:376] validating the presence of executable socat
I0521 07:17:38.234814   10539 checks.go:376] validating the presence of executable tc
I0521 07:17:38.234899   10539 checks.go:376] validating the presence of executable touch
I0521 07:17:38.234942   10539 checks.go:520] running all checks
I0521 07:17:38.353978   10539 checks.go:406] checking whether the given node name is reachable using net.LookupHost
I0521 07:17:38.354066   10539 checks.go:618] validating kubelet version
I0521 07:17:38.490789   10539 checks.go:128] validating if the service is enabled and active
I0521 07:17:38.514091   10539 checks.go:201] validating availability of port 10250
I0521 07:17:38.514265   10539 checks.go:201] validating availability of port 2379
I0521 07:17:38.514364   10539 checks.go:201] validating availability of port 2380
I0521 07:17:38.514457   10539 checks.go:249] validating the existence and emptiness of directory /var/lib/etcd
[preflight] Some fatal errors occurred:
[ERROR FileExisting-conntrack]: conntrack not found in system path
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
error execution phase preflight
k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow.(*Runner).Run.func1
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow/runner.go:235
k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow.(*Runner).visitAll
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow/runner.go:422
k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow.(*Runner).Run
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow/runner.go:207
k8s.io/kubernetes/cmd/kubeadm/app/cmd.NewCmdInit.func1
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/app/cmd/init.go:147
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).execute
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:826
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).ExecuteC
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:914
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).Execute
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:864
k8s.io/kubernetes/cmd/kubeadm/app.Run
/home/dingo/yocto/NANO/build/tmp/work/aarch64-poky-linux/kubernetes/v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8-r0/kubernetes-v1.18.3-beta+gitfe3ac3e38838a09dfd4b48d568083144211a95f8/src/import/_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/app/kubeadm.go:50
main.main
_output/local/go/src/k8s.io/kubernetes/cmd/kubeadm/kubeadm.go:25
runtime.main
/usr/lib/go/src/runtime/proc.go:203
runtime.goexit
/usr/lib/go/src/runtime/asm_arm64.s:1148
root@jetson-nano-qspi-sd:~#

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