kubernetes v1.14.2 newly creation pod not coming up

Question

Creating cassandra configuration in kubernetes v1.14.2 version. New pod is not coming up still it is in pending status. I've tried below command still not coming up.

kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"

[root@master cassandra_dc]# kubectl get events --all-namespaces
NAMESPACE     LAST SEEN   TYPE      REASON                   OBJECT                                 MESSAGE
c7a           3m49s       Warning   FailedScheduling         pod/cassandraa-0                       0/4 nodes are available: 4 node(s) didn't match node selector.
c7a           3m49s       Warning   FailedScheduling         pod/cassandrab-0                       0/4 nodes are available: 4 node(s) didn't match node selector.
kube-system   65s         Normal    SandboxChanged           pod/cilium-operator-854d87d765-qk6ct   Pod sandbox changed, it will be killed and re-created.
kube-system   15m         Warning   FailedCreatePodSandBox   pod/cilium-operator-854d87d765-qk6ct   (combined from similar events): Failed create pod sandbox: rpc error: code = Unknown desc = failed to set up sandbox container "2e20efe9ec5e3d857de7052cf0df43556d01b48889566450e6392262bf7546d8" network for pod "cilium-operator-854d87d765-qk6ct": NetworkPlugin cni failed to set up pod "cilium-operator-854d87d765-qk6ct_kube-system" network: unable to connect to Cilium daemon: failed to create cilium agent client after 30.000000 seconds timeout: Get http://%!F(MISSING)var%!F(MISSING)run%!F(MISSING)cilium%!F(MISSING)cilium.sock/v1/config: dial unix /var/run/cilium/cilium.sock: connect: no such file or directory

[root@master cassandra_dc]# kubectl get nodes
NAME                     STATUS   ROLES    AGE    VERSION
master.localdomain.com   Ready    master   113m   v1.14.2
slave1.localdomain.com   Ready    node     112m   v1.14.2
slave2.localdomain.com   Ready    node     112m   v1.14.2
slave3.localdomain.com   Ready    node     112m   v1.14.2
[root@master cassandra_dc]# kubectl -n c7a get pods -o wide
NAME           READY   STATUS    RESTARTS   AGE   IP       NODE     NOMINATED NODE   READINESS GATES
cassandraa-0   0/1     Pending   0          91m   <none>   <none>   <none>           <none>
cassandrab-0   0/1     Pending   0          91m   <none>   <none>   <none>           <none>