Hi,
>Presumably you could copy what "ip netns" does, which appears to be to look in
>/var/run/netns . At least that is what an strace of that >command suggests.
This is true, but keep in mind that the output of "ip netns", as well as
listing the contents of /var/run/netns, reflects only network namespaces
which were created with the "ip netns" command. The "ip netns" userspace
implementation consists of code which enables this,
by creating /var/run/netns, bind mounting it, etc.
Network namespaces which were created by other ways (like userspace applications
using the clone() system call) will *not* be reflected by neither of them.
Regards,
Rami Rosen
Intel Corporation
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