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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Feature request - support missing and exists keywords for meta skuid"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1704#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Feature request - support missing and exists keywords for meta skuid"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1704">bug 1704</a>
from <span class="vcard"><a class="email" href="mailto:thesashok724@gmail.com" title="thesashok724@gmail.com">thesashok724@gmail.com</a>
</span></b>
<pre>I want to match all packets that are sent by the kernel (that is, the packets
that do not have `meta skuid`/`meta skgid`). Currently, the only working
approach I've found is to match the opposite with vmap, like this:
```
meta skuid vmap {
root: goto handle_root_packet,
*: goto handle_user_packet,
}
goto handle_kernel_packet
```
I think it would be much more convenient to check the existence of these and
other fields with `missing`/`existing` or similar keywords, like this: `meta
skuid missing log`.</pre>
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