network-tools pod-run-netns-command failed due to "ERROR: Can't get netns pid".
Seems containerRuntime changed from runc to crun, so we need to update network-tools utils:
https://github.com/openshift/network-tools/blob/1df82dfade80ce31b325dab703b37bf7e8924e99/debug-scripts/utils#L108 

4.18.0-0.test-2024-11-27-013900-ci-ln-s87rfh2-latest

always

1. create test pod in namespace test
$ oc get pod -n test
NAME         READY   STATUS    RESTARTS   AGE
hello-pod2   1/1     Running   0          22s

2.run command "ip a" with network-tools script pod-run-netns-command       

$ ./network-tools pod-run-netns-command test hello-pod2 "ip route show"
Temporary namespace openshift-debug-btzwc is created for debugging node...
Starting pod/qiowang-120303-zb568-worker-0-5phll-debug ...
To use host binaries, run `chroot /host`


Removing debug pod ...
Temporary namespace openshift-debug-btzwc was removed.
error: non-zero exit code from debug container
ERROR: Can't get netns pid   <--- Failed


INFO: Running ip route show in the netns of pod hello-pod2
Temporary namespace openshift-debug-l7xv4 is created for debugging node...
Starting pod/qiowang-120303-zb568-worker-0-5phll-debug ...
To use host binaries, run `chroot /host`
nsenter: failed to parse pid: 'parse'


Removing debug pod ...
Temporary namespace openshift-debug-l7xv4 was removed.
error: non-zero exit code from debug container
ERROR: Command returned non-zero exit code, check output or logs.

run command with network-tools script pod-run-netns-command successfuly

There is no container running:
$ oc debug node/qiowang-120303-zb568-worker-0-5phll
Temporary namespace openshift-debug-hrr94 is created for debugging node...
Starting pod/qiowang-120303-zb568-worker-0-5phll-debug ...
To use host binaries, run `chroot /host`
Pod IP: 192.168.2.190
If you don't see a command prompt, try pressing enter.
sh-5.1# chroot /host
sh-5.1# runc list
ID          PID         STATUS      BUNDLE      CREATED     OWNER
sh-5.1#