Run network-tools pod-run-netns-command, failed to get netns pid     

4.16.0-0.nightly-2024-02-26-013420    

always    

1. create namespace test, create pod under the namespace
% oc new-project test
% oc apply -f pod2.yaml 
pod/hello-pod2 createds
% oc get pod -n test
NAME         READY   STATUS    RESTARTS   AGE
hello-pod2   1/1     Running   0          7m

2. run network-tools pod-run-netns-command locally 

There is error message "ERROR: Can't get netns pid".

$ ./network-tools pod-run-netns-command -it  test hello-pod2 
Starting pod/qiowang-022910-pl4sf-worker-c-6sxhr-debug ...
To use host binaries, run `chroot /host`


Removing debug pod ...
error: non-zero exit code from debug container
ERROR: Can't get netns pid.         <-- error shows
Running interactive shell for network-tools container.
To run commands for pod netnamespace use


nsenter -n -t parse error: Invalid numeric literal at line 1, column 10
time="2024-02-29T05:54:18Z" level=error msg="flag provided but not defined: -all," <command>


Starting pod/qiowang-022910-pl4sf-worker-c-6sxhr-debug ...
To use host binaries, run `chroot /host`
Pod IP: 10.0.128.4
If you don't see a command prompt, try pressing enter.

run command successfuly