Kubernetes-version=v1.32.7 coredns:v1.11.3 kube-dns ClusterIP 10.96.0.10 :53. timeout

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1

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Cluster information:

Kubernetes version: v1.32.7
Cloud being used: (put bare-metal if not on a public cloud)
Installation method:

 kubeadm init \
  --control-plane-endpoint "192.168.4.9:6444" \
  --upload-certs \
  --service-cidr=10.96.0.0/12 \
  --pod-network-cidr=10.244.0.0/16 \
  --image-repository=registry.aliyuncs.com/google_containers \
  --kubernetes-version=v1.32.7 \
  --cri-socket=unix:///run/containerd/containerd.sock \
  --node-name=master-4-10 \
  --v=5

Host OS: Rocky Linux 9.6 (Blue Onyx) 5.14.0-570.28.1.el9_6.x86_64
CNI and version: calico 3.30.2
CRI and version: containerd containerd.io 1.7.27

[root@master-4-11 ~]# kubectl exec -it netshoot-7875dd89bf-6pwqz -- bash
netshoot-7875dd89bf-6pwqz:~# cat /etc/resolv.conf
search default.svc.cluster.local svc.cluster.local cluster.local
nameserver 10.96.0.10
options ndots:5

dig www.baidu.com
;; communications error to 10.96.0.10#53: timed out

[root@master-4-10 ~]# kubectl logs -f kube-proxy-mrmk6 -n kube-system 
I0731 05:45:30.019110       1 server.go:698] "Successfully retrieved node IP(s)" IPs=["192.168.4.13"]
I0731 05:45:30.043320       1 conntrack.go:60] "Setting nf_conntrack_max" nfConntrackMax=3670016
I0731 05:45:30.058215       1 server.go:243] "kube-proxy running in dual-stack mode" primary ipFamily="IPv4"
I0731 05:45:30.062757       1 server_linux.go:231] "Using ipvs Proxier"
I0731 05:45:30.064934       1 proxier.go:364] "IPVS scheduler not specified, use rr by default" ipFamily="IPv4"
I0731 05:45:30.065496       1 proxier.go:364] "IPVS scheduler not specified, use rr by default" ipFamily="IPv6"
I0731 05:45:30.065517       1 ipset.go:119] "Ipset name truncated" ipSetName="KUBE-6-LOAD-BALANCER-SOURCE-CIDR" truncatedName="KUBE-6-LOAD-BALANCER-SOURCE-CID"
I0731 05:45:30.065527       1 ipset.go:119] "Ipset name truncated" ipSetName="KUBE-6-NODE-PORT-LOCAL-SCTP-HASH" truncatedName="KUBE-6-NODE-PORT-LOCAL-SCTP-HAS"
I0731 05:45:30.065556       1 server.go:497] "Version info" version="v1.32.7"
I0731 05:45:30.065562       1 server.go:499] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK=""
I0731 05:45:30.066925       1 config.go:199] "Starting service config controller"
I0731 05:45:30.066927       1 config.go:105] "Starting endpoint slice config controller"
I0731 05:45:30.066955       1 shared_informer.go:313] Waiting for caches to sync for endpoint slice config
I0731 05:45:30.066955       1 shared_informer.go:313] Waiting for caches to sync for service config
I0731 05:45:30.067019       1 config.go:329] "Starting node config controller"
I0731 05:45:30.067055       1 shared_informer.go:313] Waiting for caches to sync for node config
I0731 05:45:30.167930       1 shared_informer.go:320] Caches are synced for node config
I0731 05:45:30.167941       1 shared_informer.go:320] Caches are synced for service config
I0731 05:45:30.167951       1 shared_informer.go:320] Caches are synced for endpoint slice config
3

rocky9.5 is ok.
kernel version is too high.