Cannot ping Pod ip from master node

Cluster information:

Kubernetes version: v1.28.2
Cloud being used: (put bare-metal)
Installation method: kubeadm
Host OS: centos 8
CNI and version: flannel : v0.22.3
CRI and version: containerd 1.6.22 for Master node and containerd 1.6.18 for worker node

Installation cluster k8s ok using flannel cni.

I deployed an nginx pod. From master node I cannot ping the pod but it’s ok for node where it’s hosted.

Ip table seems ok

Guide me to troubleshoot the issue please