If running outside container find the netns inside the container, then
enter that netns.
lazzer@tollan ~/src/github.com/kernelkit/infix3 (add-wireguard)$ sudo ./test/nsenter d2b
(netns:d2b) #
When a test starts an isolated MACVLAN namespace, it is often useful
to interactively join that namespace to investigate issues. To do
this, we need to find the "sleeper" process backing the namespace, and
`nsenter` into that process's network namespace.
Add a script that automates this process.
To start a shell in the netns of the MACVLAN stacked on top of d1b,
start a shell in the test environment:
infix/test $ ./shell
13:37:00 infamy0:test # ./nsenter d1b
13:37:01 infamy0(netns:d1b):test #
Mattias Walström