Diagnostics Error logs: DNet2008, DSvcNet1010

Issue

• It shows the below error messages when executing oc adm diagnostics command.

[Note] Running diagnostic: NetworkCheck
       Description: Create a pod on all schedulable nodes and run network diagnostics from the application standpoint

ERROR: [DNet2008 from diagnostic NetworkCheck@openshift/origin/pkg/diagnostics/network/run_pod.go:154]
       [See the errors below in the output from the network diagnostic pod on node "node1.example.com":
...
ERROR: [DSvcNet1010 from diagnostic CheckServiceNetwork@openshift/origin/pkg/diagnostics/networkpod/service.go:189]
       Connectivity from pod "network-diag-ns-fd5n2/network-diag-test-pod-6dvjk" to service "example-project/example-service" failed. Error: exit status 124, Out:
...