Comment 11 for bug 1611444

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Jamie Strandboge (jdstrand) wrote : Re: Cannot share a namespace between apps in a SNAP

To expand slightly on what Stephane was saying, you can see the problem easily from the snap I provided, in terminal 1 (ie, the one that set the network namespace):

bash-4.3# cat /var/run/netns/testnet
cat: /var/run/netns/testnet: Invalid argument
(shows this is a magical file)

in terminal 2:
bash-4.3# cat /var/run/netns/testnet
bash-4.3#
(shows this is just an empty file)