proc_reader: avoid warning for pid=0 #1554
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In some cases, we try to get the docker of pid=0, which fails and produces the following warning: time="2023-10-04T10:27:14Z" level=warning msg="Procfs execve event pods/ identifier error" error="open /procRoot/0/cgroup: no such file or directory" This warning is confusing, so avoid it by not calling the relevant code for pid=0. Signed-off-by: Kornilios Kourtis <kornilios@isovalent.com>
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In some cases, we try to get the docker of pid=0, which fails and produces the following warning:
time="2023-10-04T10:27:14Z" level=warning msg="Procfs execve event pods/ identifier error" error="open /procRoot/0/cgroup: no such file or directory"
This warning is confusing, so avoid it by not calling the relevant code for pid=0.